{"title":"Four Inch - 100mm Ducting, Grilles \u0026 Accessories","description":"","products":[{"product_id":"110mm-condensation-trap","title":"110mm Condensation Trap","description":"\u003cp\u003e\u003cstrong\u003eFOR USE WITH 110mm SOLID DUCTING - This condensation trap will fit our Through Roof Kits and standard soil pipe. Not for use with 100mm ducting.\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe Manrose 1440 is a 4 inch \/ 110mm condensation trap is used on installations requiring long vertical duct runs - such as when installing an inline duct fan or centrifugal fan - in which condensation can form on the inside of the ducting due to the difference in temparature between the inside and outside of the duct, caused by the warm, moist extracted air.\u003cbr\u003e\u003cbr\u003eA condensation trap prevents condensed water from running back down the duct towards the fan. This undesirable situation can occur when the ducting is situated in cold or unheated areas such as lofts and can be particularly problematic if the duct run is mounted vertically - for example if the duct is going straight up through the loft from the bathroom ceiling to a roof grille.\u003cbr\u003e \u003c\/p\u003e","brand":"Manrose","offers":[{"title":"Default Title","offer_id":58031861563656,"sku":"MAN 1440","price":19.21,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1044\/2362\/0872\/files\/110mm-condensation-trap-259-p.jpg?v=1784040664"},{"product_id":"4-inch-pvc-ducting-x-3m","title":"4 Inch PVC Ducting x 3m","description":"\u003ch3\u003eOverview\u003c\/h3\u003e\u003cp\u003eFlexible PVC Ducting 4\"\/100mm - 3m\u003c\/p\u003e\u003cp\u003eSuitable for installation in conjunction with 4\"\/100mm fans and accessories.\u003cbr\u003e \u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eCompatable with 4\"\/100mm fans and accessories\u003c\/li\u003e\n\u003cli\u003eFlexible - ease of installation for problematic routes\u003c\/li\u003e\n\u003cli\u003eBest secured firmly with Duct Clamps\u003c\/li\u003e\n\u003cli\u003eMade from flexible PVC Plastic with steel wire\u003c\/li\u003e\n\u003cli\u003eEasily cut to length\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"National Ventilation","offers":[{"title":"Default Title","offer_id":58031866413320,"sku":"NVT D363","price":7.7,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1044\/2362\/0872\/files\/1021-276-p.jpg?v=1784040691"},{"product_id":"4-inch-pvc-ducting-x-45m","title":"4 Inch PVC Ducting x 45m","description":"\u003ch3\u003eOverview\u003c\/h3\u003e\u003cp\u003eFlexible PVC Ducting 4\"\/100mm - 45m\u003c\/p\u003e\u003cp\u003eSuitable for installation in conjunction with 4\"\/100mm fans and accessories.\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eCompatable with 4\"\/100mm fans and accessories\u003c\/li\u003e\n\u003cli\u003eFlexible - ease of installation for problematic routes\u003c\/li\u003e\n\u003cli\u003eBest secured firmly with Duct Clamps\u003c\/li\u003e\n\u003cli\u003eMade from flexible PVC Plastic with steel wire\u003c\/li\u003e\n\u003cli\u003eEasily cut to length\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"National Ventilation","offers":[{"title":"Default Title","offer_id":58031866741000,"sku":"NVT D3645WH","price":36.75,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1044\/2362\/0872\/files\/1023-277-p.jpg?v=1784040693"},{"product_id":"4-inch-ventilation-duct-y-piece","title":"4 Inch Ventilation Duct Y Piece","description":"\u003cstrong\u003e4” Ventilation Ducting Y Piece\u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003eThis ventilation Y piece accessory may be used with all 4 inch 100mm extractor fans but is most commonly used with an inline duct fan to vent from two separate rooms - such as two bathrooms.","brand":"Manrose","offers":[{"title":"Default Title","offer_id":58031866937608,"sku":"MAN 44950","price":9.46,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1044\/2362\/0872\/files\/4-inch-ventilation-duct-y-piece-282-p.jpg?v=1784040700"},{"product_id":"4-inch-inline-backdraught-shutter","title":"4 Inch Inline Backdraught Shutter","description":"\u003cstrong\u003eIN-LINE BACKDRAUGHT SHUTTER\u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003eThe 4 inch In Line Backdraught Shutter for 100mm Ducting prevents cold air entering the duct system and room. It is commonly used with inline mixed flow fans but may be used in conjunction with any 4 inch centrifugal or axial fan too.\u003cbr\u003e\u003cbr\u003eLength of product: 61mm x 100mm","brand":"National Ventilation","offers":[{"title":"Default Title","offer_id":58031867003144,"sku":"NVT MONV303","price":9.94,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1044\/2362\/0872\/files\/4-inch-inline-backdraught-shutter-284-p.jpg?v=1784040705"},{"product_id":"white-wall-cowl","title":"White Wall Cowl","description":"\u003cp\u003e1240L Cowled Wall Outlet 4\"\u003cbr\u003e\u003cbr\u003eWith Damper - Round Spigot\u003c\/p\u003e\u003cp\u003eDimensions :\u003c\/p\u003e\u003cp\u003e140mm (H) x 140mm (W),\u003c\/p\u003e\u003cp\u003eMax Projection 80mm,\u003c\/p\u003e\u003cp\u003eSpigot Depth 35mm\u003c\/p\u003e\u003cp\u003e\u003c\/p\u003e","brand":"National Ventilation","offers":[{"title":"Default Title","offer_id":58031867101448,"sku":"NVT MONV245WH","price":7.21,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1044\/2362\/0872\/files\/white-wall-cowl-285-p.jpg?v=1784040708"},{"product_id":"4-inch-100mm-internal-circular-grille-chrome","title":"4 Inch 100mm Internal Circular Grille Chrome","description":"\u003cstrong\u003e2100C\u003cbr\u003eInternal Extractor Fan Grille in Chrome - 4 inch \/ 100mm\u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003eFor use in the bathroom ceiling in conjunction with an inline fan and 4 inch ducting. Please note, you will probably also require an external grille. We recommend the use of duct clamps with all ducting and grilles.","brand":"Manrose","offers":[{"title":"Default Title","offer_id":58031867724040,"sku":"MAN 2100C","price":12.15,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1044\/2362\/0872\/files\/4-inch-100mm-internal-circular-grille-chrome-291-p.jpg?v=1784040723"},{"product_id":"4-inch-100mm-internal-circular-grille-white","title":"4 Inch 100mm Internal Circular Grille White","description":"\u003cstrong\u003eWhite Internal Extractor Fan Grille - 4 inch \/ 100mm\u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003eFor use in the bathroom ceiling in conjunction with an inline fan and 4 inch ducting.\u003cbr\u003ePlease note, you will probably also require an external grille. We recommend the use of duct clamps with all ducting and grilles.","brand":"Domus Ventilation","offers":[{"title":"Default Title","offer_id":58031867986184,"sku":"DOM 4907W","price":8.03,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1044\/2362\/0872\/files\/4-inch-100mm-internal-circular-grille-white-292-p.jpg?v=1784040724"},{"product_id":"4-inch-100mm-fixed-grille-brown","title":"4 Inch 100mm Fixed Grille Brown","description":"\u003cbr\u003e\u003cbr\u003eFour inch fixed brown grille. Suitable for use with extractor fans which have integral back draught shutters. As a rule of thumb, the cheaper extractor fans, do not have integral shutters - so you would need instead, the 'No Resist' back draught grille.. We recommend the use of duct clamps with all ducting and grilles.\u003cbr\u003e\u003cbr\u003eFootprint: 140mm x 140mm\u003cbr\u003eSpigot Size: 100mm 4 inch","brand":"Manrose","offers":[{"title":"Default Title","offer_id":58031871492360,"sku":"GRILLE 4\" FIXED BROWN","price":6.81,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1044\/2362\/0872\/files\/4-inch-100mm-fixed-grille-brown-297-p.jpg?v=1784040736"},{"product_id":"4-inch-100mm-fixed-grille-white","title":"4 Inch 100mm Fixed Grille White","description":"\u003cbr\u003e\u003cbr\u003eFour inch fixed white duct grille. Suitable for use with four inch ducting and extractor fans which have integral back draught shutters. The visible front of the grille measures 140mm x 140mm. We recommend the use of duct clamps with all ducting and grilles.","brand":"Manrose","offers":[{"title":"Default Title","offer_id":58031871918344,"sku":"GRILLE 4\" FIXED WHITE","price":6.81,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1044\/2362\/0872\/files\/4-inch-100mm-fixed-grille-white-298-p.jpg?v=1784040738"},{"product_id":"4-inch-100mm-gravity-grille-brown","title":"4 Inch 100mm Gravity Grille Brown","description":"\u003cbr\u003e\u003cbr\u003eFour inch gravity brown grille. To be used with four inch flexible ducting. This grille is intended for use with extractor fans which do not have internal back draught shutters. As a rule of thumb, most of the extractor fans over 25 on this website do have internal backdraught shutters. We recommend the use of duct clamps with all ducting and grilles.","brand":"Manrose","offers":[{"title":"Default Title","offer_id":58031872114952,"sku":"GRILLE 4\" GRAVITY BROWN","price":6.81,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1044\/2362\/0872\/files\/4-inch-100mm-gravity-grille-brown-299-p.jpg?v=1784040741"},{"product_id":"4-inch-100mm-gravity-grille-grey","title":"4 Inch 100mm Gravity Grille Grey","description":"\u003cbr\u003eFour inch grey gravity grille. To be used with four inch flexible ducting. This grille is intended for use with extractor fans which do not have internal back draught shutters. We recommend the use of duct clamps with all ducting and grilles.","brand":"Manrose","offers":[{"title":"Default Title","offer_id":58031872180488,"sku":"GRILLE 4\" GRAVITY GREY","price":6.81,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1044\/2362\/0872\/files\/4-inch-100mm-gravity-grille-grey-300-dv-p.jpg?v=1784040744"},{"product_id":"4-inch-100mm-gravity-grille-white","title":"4 Inch 100mm Gravity Grille White","description":"\u003cbr\u003e\u003cbr\u003eFour inch white gravity grille. To be used with four inch flexible ducting. This grille is intended for use with extractor fans which do not have internal back draught shutters. We recommend the use of duct clamps with all ducting and grilles.","brand":"Manrose","offers":[{"title":"Default Title","offer_id":58031876636936,"sku":"GRILLE 4\" GRAVITY WHITE","price":6.81,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1044\/2362\/0872\/files\/4-inch-100mm-gravity-grille-white-301-p.jpg?v=1784040745"},{"product_id":"4-inch-100mm-fixed-grille-grey","title":"4 Inch 100mm Fixed Grille Grey","description":"Manufactured from thermoplastic, this four inch fixed grille is designed for use with four inch \/ 100mm flexible ducting and extractor fans which have integral back draught shutters. \u003cbr\u003e\u003cbr\u003eThe visible front of the grille measures 140mm x 140mm, whilst the spigot is 100mm diameter.. We recommend the use of duct clamps with all ducting and grilles to provide a good, tight fit of ducting to grille.","brand":"Manrose","offers":[{"title":"Default Title","offer_id":58031877128456,"sku":"GRILLE 4\" FIXED GREY","price":6.81,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1044\/2362\/0872\/files\/4-inch-100mm-fixed-grille-grey-306-p.jpg?v=1784040760"},{"product_id":"4-inch-flexible-aluminium-ducting-x-10m","title":"4 Inch Flexible Aluminium Ducting x 10m","description":"\u003cstrong style=\"color:#666666; font-family:\" lucida grande helvetica arial verdana font-size:12px=\"\" font-style:normal=\"\" font-variant-ligatures:normal=\"\" font-variant-caps:normal=\"\" letter-spacing:normal=\"\" orphans:2=\"\" text-align:start=\"\" text-transform:none=\"\" white-space:normal=\"\" widows:2=\"\" word-spacing:0px=\"\" background-color:=\"\" text-decoration-style:initial=\"\" text-decoration-color:initial=\"\"\u003eFlexible Aluminium 4\" Ducting x 10m \u003c\/strong\u003e\u003cbr style=\"color:#666666; font-family:\" lucida grande helvetica arial verdana font-size:12px=\"\" font-style:normal=\"\" font-variant-ligatures:normal=\"\" font-variant-caps:normal=\"\" font-weight:400=\"\" letter-spacing:normal=\"\" orphans:2=\"\" text-align:start=\"\" text-transform:none=\"\" white-space:normal=\"\" widows:2=\"\" word-spacing:0px=\"\" background-color:=\"\" text-decoration-style:initial=\"\" text-decoration-color:initial=\"\"\u003e\u003cstrong style=\"color:#666666; font-family:\" lucida grande helvetica arial verdana font-size:12px=\"\" font-style:normal=\"\" font-variant-ligatures:normal=\"\" font-variant-caps:normal=\"\" letter-spacing:normal=\"\" orphans:2=\"\" text-align:start=\"\" text-transform:none=\"\" white-space:normal=\"\" widows:2=\"\" word-spacing:0px=\"\" background-color:=\"\" text-decoration-style:initial=\"\" text-decoration-color:initial=\"\"\u003e\u003cfont size=\"2\"\u003eDUCT 4 INCH 10M PRE CUT\u003c\/font\u003e\u003c\/strong\u003e\u003cbr style=\"color:#666666; font-family:\" lucida grande helvetica arial verdana font-size:12px=\"\" font-style:normal=\"\" font-variant-ligatures:normal=\"\" font-variant-caps:normal=\"\" font-weight:400=\"\" letter-spacing:normal=\"\" orphans:2=\"\" text-align:start=\"\" text-transform:none=\"\" white-space:normal=\"\" widows:2=\"\" word-spacing:0px=\"\" background-color:=\"\" text-decoration-style:initial=\"\" text-decoration-color:initial=\"\"\u003e\u003cbr style=\"color:#666666; font-family:\" lucida grande helvetica arial verdana font-size:12px=\"\" font-style:normal=\"\" font-variant-ligatures:normal=\"\" font-variant-caps:normal=\"\" font-weight:400=\"\" letter-spacing:normal=\"\" orphans:2=\"\" text-align:start=\"\" text-transform:none=\"\" white-space:normal=\"\" widows:2=\"\" word-spacing:0px=\"\" background-color:=\"\" text-decoration-style:initial=\"\" text-decoration-color:initial=\"\"\u003e\u003cstrong style=\"color:#666666; font-family:\" lucida grande helvetica arial verdana font-size:12px=\"\" font-style:normal=\"\" font-variant-ligatures:normal=\"\" font-variant-caps:normal=\"\" letter-spacing:normal=\"\" orphans:2=\"\" text-align:start=\"\" text-transform:none=\"\" white-space:normal=\"\" widows:2=\"\" word-spacing:0px=\"\" background-color:=\"\" text-decoration-style:initial=\"\" text-decoration-color:initial=\"\"\u003eDucting Hints and Tips\u003c\/strong\u003e\u003cbr style=\"color:#666666; font-family:\" lucida grande helvetica arial verdana font-size:12px=\"\" font-style:normal=\"\" font-variant-ligatures:normal=\"\" font-variant-caps:normal=\"\" font-weight:400=\"\" letter-spacing:normal=\"\" orphans:2=\"\" text-align:start=\"\" text-transform:none=\"\" white-space:normal=\"\" widows:2=\"\" word-spacing:0px=\"\" background-color:=\"\" text-decoration-style:initial=\"\" text-decoration-color:initial=\"\"\u003e\u003cspan style=\"font-size:12px; text-align:start; -webkit-text-stroke-width:0px\"\u003e\u003cspan style=\"color:#666666\"\u003e\u003cspan style=\"font-family:\" lucida grande helvetica arial verdana\u003e\u003cspan style=\"font-style:normal\"\u003e\u003cspan style=\"font-variant-ligatures:normal\"\u003e\u003cspan style=\"font-variant-caps:normal\"\u003e\u003cspan style=\"font-weight:400\"\u003e\u003cspan style=\"letter-spacing:normal\"\u003e\u003cspan style=\"orphans:2\"\u003e\u003cspan style=\"text-transform:none\"\u003e\u003cspan style=\"white-space:normal\"\u003e\u003cspan style=\"widows:2\"\u003e\u003cspan style=\"word-spacing:0px\"\u003e\u003cspan style=\"background-color:#ffffff\"\u003e\u003cspan style=\"text-decoration-style:initial\"\u003e\u003cspan style=\"text-decoration-color:initial\"\u003e\u003cspan style=\"display:inline !important\"\u003e\u003cspan style=\"float:none\"\u003eStretch the ducting out as far as possible to create a totally smooth surface. Your duct run should be as short and straight as possible. Length and bends increase air pressure inside the ducting and this is bad for your extractor fan. Extra air pressure makes it harder for your fan to push the extracted air along the duct thus imparing its extraction power. \u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cbr style=\"color:#666666; font-family:\" lucida grande helvetica arial verdana font-size:12px=\"\" font-style:normal=\"\" font-variant-ligatures:normal=\"\" font-variant-caps:normal=\"\" font-weight:400=\"\" letter-spacing:normal=\"\" orphans:2=\"\" text-align:start=\"\" text-transform:none=\"\" white-space:normal=\"\" widows:2=\"\" word-spacing:0px=\"\" background-color:=\"\" text-decoration-style:initial=\"\" text-decoration-color:initial=\"\"\u003e\u003cbr style=\"color:#666666; font-family:\" lucida grande helvetica arial verdana font-size:12px=\"\" font-style:normal=\"\" font-variant-ligatures:normal=\"\" font-variant-caps:normal=\"\" font-weight:400=\"\" letter-spacing:normal=\"\" orphans:2=\"\" text-align:start=\"\" text-transform:none=\"\" white-space:normal=\"\" widows:2=\"\" word-spacing:0px=\"\" background-color:=\"\" text-decoration-style:initial=\"\" text-decoration-color:initial=\"\"\u003e\u003cspan style=\"font-size:12px; text-align:start; -webkit-text-stroke-width:0px\"\u003e\u003cspan style=\"color:#666666\"\u003e\u003cspan style=\"font-family:\" lucida grande helvetica arial verdana\u003e\u003cspan style=\"font-style:normal\"\u003e\u003cspan style=\"font-variant-ligatures:normal\"\u003e\u003cspan style=\"font-variant-caps:normal\"\u003e\u003cspan style=\"font-weight:400\"\u003e\u003cspan style=\"letter-spacing:normal\"\u003e\u003cspan style=\"orphans:2\"\u003e\u003cspan style=\"text-transform:none\"\u003e\u003cspan style=\"white-space:normal\"\u003e\u003cspan style=\"widows:2\"\u003e\u003cspan style=\"word-spacing:0px\"\u003e\u003cspan style=\"background-color:#ffffff\"\u003e\u003cspan style=\"text-decoration-style:initial\"\u003e\u003cspan style=\"text-decoration-color:initial\"\u003e\u003cspan style=\"display:inline !important\"\u003e\u003cspan style=\"float:none\"\u003eIdeally, ducting should go straight through the wall to the outside world. If you do have to put bends in the ducting make them as shallow as possible rather than 90 degree elbows. If your duct run is over 4m you should consider using a centrifugal fan as most axial fans simply will not cope with the air pressure.\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cbr style=\"color:#666666; font-family:\" lucida grande helvetica arial verdana font-size:12px=\"\" font-style:normal=\"\" font-variant-ligatures:normal=\"\" font-variant-caps:normal=\"\" font-weight:400=\"\" letter-spacing:normal=\"\" orphans:2=\"\" text-align:start=\"\" text-transform:none=\"\" white-space:normal=\"\" widows:2=\"\" word-spacing:0px=\"\" background-color:=\"\" text-decoration-style:initial=\"\" text-decoration-color:initial=\"\"\u003e\u003cbr style=\"color:#666666; font-family:\" lucida grande helvetica arial verdana font-size:12px=\"\" font-style:normal=\"\" font-variant-ligatures:normal=\"\" font-variant-caps:normal=\"\" font-weight:400=\"\" letter-spacing:normal=\"\" orphans:2=\"\" text-align:start=\"\" text-transform:none=\"\" white-space:normal=\"\" widows:2=\"\" word-spacing:0px=\"\" background-color:=\"\" text-decoration-style:initial=\"\" text-decoration-color:initial=\"\"\u003e\u003cspan style=\"font-size:12px; text-align:start; -webkit-text-stroke-width:0px\"\u003e\u003cspan style=\"color:#666666\"\u003e\u003cspan style=\"font-family:\" lucida grande helvetica arial verdana\u003e\u003cspan style=\"font-style:normal\"\u003e\u003cspan style=\"font-variant-ligatures:normal\"\u003e\u003cspan style=\"font-variant-caps:normal\"\u003e\u003cspan style=\"font-weight:400\"\u003e\u003cspan style=\"letter-spacing:normal\"\u003e\u003cspan style=\"orphans:2\"\u003e\u003cspan style=\"text-transform:none\"\u003e\u003cspan style=\"white-space:normal\"\u003e\u003cspan style=\"widows:2\"\u003e\u003cspan style=\"word-spacing:0px\"\u003e\u003cspan style=\"background-color:#ffffff\"\u003e\u003cspan style=\"text-decoration-style:initial\"\u003e\u003cspan style=\"text-decoration-color:initial\"\u003e\u003cspan style=\"display:inline !important\"\u003e\u003cspan style=\"float:none\"\u003eWe recommend the use of duct clamps. These are inexpensive and ensure that the duct has a good tight fitting around the spigot of your fan and grille.\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e","brand":"National Ventilation","offers":[{"title":"Default Title","offer_id":58031896625416,"sku":"DUCT 4 INCH 10M PRE CUT","price":20.58,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1044\/2362\/0872\/files\/4-inch-flexible-aluminium-ducting-x-10m-1116-p.jpg?v=1784040834"},{"product_id":"duct-clamp-for-4-inch-100mm-ducting-and-spigots","title":"Duct Clamp for 4 inch 100mm Ducting and Spigots","description":"Individual Duct Clamp for Four Inch Ducting.\u003cbr\u003e\u003cbr\u003eIf you're using flexible ducting you should also be using duct clamps.\u003cbr\u003e\u003cbr\u003eOnce the ducting has been fitted around the spigots of both the fan and the grille the duct clamp is fastened around the ducting and tightened.\u003cbr\u003e\u003cbr\u003eEnsuring that the ducting is tightly fitted to the spigots gurantees that it will not become detached from either the fan or grille over time. It also ensures that the ducting makes one unified ventiation system without air leaks between the extractor fan and grilles.\u003cbr\u003e\u003cbr\u003eRemember, if you are purchasing an inline fan, you will need four duct clamps: one for each end of the fan and one each for the internal and external grilles. If you are installing an inline backdraft grille you will need an additional two clamps.","brand":"National Ventilation","offers":[{"title":"Default Title","offer_id":58031896854792,"sku":"DUCT CLAMP 3","price":2.8,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1044\/2362\/0872\/files\/duct-clamp-for-4-inch-100mm-ducting-and-spigots-1117-p.jpg?v=1784040837"},{"product_id":"4-inch-100mm-solid-duct-x-350mm","title":"4 Inch 100mm Solid Duct x 350mm","description":"\u003cp\u003eSolid 4\" Ducting x 350mm\u003c\/p\u003e","brand":"Manrose","offers":[{"title":"Default Title","offer_id":58031901540616,"sku":"MAN 41350","price":8.41,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1044\/2362\/0872\/files\/4-inch-100mm-solid-duct-x-350mm-1460-p.jpg?v=1784040906"},{"product_id":"4-inch-ventilation-duct-t-piece","title":"4 Inch Ventilation Duct T Piece","description":"\u003cstrong\u003eManrose 44920 4 Ducting T Piece\u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003eThis ventilation T piece accessory may be used with all 4 inch 100mm extractor fans but is most commonly used with an inline duct fan to vent from two separate rooms - such as two ensuite bathrooms.\u003cbr\u003e\u003cbr\u003ePlease note that the right angles will add significant resistance to the duct system and will thus impair the performance of your fan. Where space allows use a Y piece instead as the shallower angle reduces resistance.","brand":"Manrose","offers":[{"title":"Default Title","offer_id":58031906717960,"sku":"MAN 44920","price":10.28,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1044\/2362\/0872\/files\/4-inch-ventilation-duct-t-piece-2565-p.jpg?v=1784041042"},{"product_id":"4-inch-ventilation-duct-90-degree-bend","title":"4 Inch Ventilation Duct 90 Degree Bend","description":"\u003cp\u003eManrose  44900 4” Ducting Bend\u003c\/p\u003e","brand":"Manrose","offers":[{"title":"Default Title","offer_id":58031907438856,"sku":"MAN 44900","price":9.6,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1044\/2362\/0872\/files\/4-inch-ventilation-duct-90-degree-bend-2567-p.jpg?v=1784041048"},{"product_id":"4-inch-ventilation-duct-connector","title":"4 Inch Ventilation Duct Connector","description":"\u003cstrong\u003eManrose 414C\u003cbr\u003e4 Inch Duct Connector\u003c\/strong\u003e","brand":"Manrose","offers":[{"title":"Default Title","offer_id":58031907504392,"sku":"MAN 414C","price":4.22,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1044\/2362\/0872\/files\/4-inch-ventilation-duct-connector-2572-p.jpg?v=1784041053"},{"product_id":"4-inch-white-steel-extract-diffuser","title":"4 Inch White Steel Extract Diffuser","description":"\u003cp\u003eThe valves are constructed from white epoxy finished steel and are supplied complete with a bayonet action fixing frame. This allows positive locking and sealing of the valve yet still enables easy removal for adjustment or cleaning.\u003cbr\u003e\u003cbr\u003eThe valve profile is designed to eliminate fouling of adjacent decorated surfaces. The central core is adjustable and offers a wide range of settings to meet specific system designs.\u003c\/p\u003e","brand":"National Ventilation","offers":[{"title":"Default Title","offer_id":58032028483848,"sku":"NVT SAVE100","price":32.52,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1044\/2362\/0872\/files\/4-inch-white-steel-extract-diffuser-2768-p.jpg?v=1784041306"},{"product_id":"5-to-4-inch-reducer","title":"5 to 4 Inch Reducer","description":"NVT D119\u003cbr\u003e5\" to 4\" Reducer","brand":"National Ventilation","offers":[{"title":"Default Title","offer_id":58032033431816,"sku":"NVT D119","price":11.93,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1044\/2362\/0872\/files\/5-to-4-inch-reducer-2832-p.jpg?v=1784041335"},{"product_id":"6-to-4-inch-reducer","title":"6 to 4 Inch Reducer","description":"\u003cspan class=\"118485512-24062015\"\u003e\u003cfont face=\"Verdana\" size=\"2\"\u003eNVT D619\u003c\/font\u003e\u003c\/span\u003e\u003cbr\u003e6\" to 4\" Reducer","brand":"National Ventilation","offers":[{"title":"Default Title","offer_id":58032037429512,"sku":"NVT D619","price":12.89,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1044\/2362\/0872\/files\/6-to-4-inch-reducer-3068-p.jpg?v=1784041374"},{"product_id":"4-inch-no-resist-back-draught-grille-brown","title":"4 Inch 'No Resist' Back Draught Grille - Brown","description":"\u003cp\u003eThe Tornado Energysaver cowl is one of the most effective external grilles available. It counteracts the detrimental effects caused by wind which dramatically affects the extraction and performance \u003cspan style=\"line-height: 20.79px;\"\u003elevels \u003c\/span\u003eof extractor fans.  In turn it makes the fan more energy efficient compared to standard fixed or gravity grilles.\u003cbr\u003e\u003cbr\u003eWhilst increasing performance it also helps eliminate back draughts which are common when a fan is switched off. We recommend the use of duct clamps with all ducting and grilles.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003ePlease note that these grilles are not suitable for a soffit installation.\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eDimensions\u003cbr\u003eWidth: 149mm\u003cbr\u003eHeight: 149mm\u003cbr\u003eSpigot Diameter: 98mm\u003c\/p\u003e","brand":"Tornado","offers":[{"title":"Default Title","offer_id":58032056172808,"sku":"NVT ESG4BR","price":14.97,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1044\/2362\/0872\/files\/4-inch-no-resist-back-draught-grille-brown-3458-p.png?v=1784041550"},{"product_id":"4-inch-no-resist-back-draught-grille-white","title":"4 Inch 'No Resist' Back Draught Grille - White","description":"\u003cp\u003eThe Tornado No Resist back draught grille has been designed to both prevent back draughts and reduce resistance offered by standard gravity grilles.\u003cbr\u003e\u003cbr\u003eIt dramatically improves performance \u003cspan style=\"line-height: 20.79px;\"\u003elevels \u003c\/span\u003eof all extractor fans and in doing so, makes them more energy efficient compared to standard fixed or gravity grilles.\u003cbr\u003e\u003cbr\u003eWe recommend the use of duct clamps with all ducting and grilles.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003ePlease note that these grilles are not suitable for a soffit installation.\u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003eDimensions\u003cbr\u003eWidth: 149mm\u003cbr\u003eHeight: 149mm\u003cbr\u003eSpigot Diameter: 98mm\u003c\/p\u003e","brand":"Tornado","offers":[{"title":"Default Title","offer_id":58032056303880,"sku":"NVT ESG4W","price":14.97,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1044\/2362\/0872\/files\/4-inch-no-resist-back-draught-grille-white-3459-dv-p.png?v=1784041561"},{"product_id":"4-ducting-kit-for-high-rise-installations-brown","title":"4\" Ducting Kit for High Rise Installations - Brown","description":"\u003cstrong\u003eBrown High Rise 4\" Ducting Kit\u003cbr\u003eNVT ESHR4BR\u003c\/strong\u003e\u003cbr\u003e \u003cdiv\u003eThis 4\" ducting kit is designed for properties with limited or no access to the external wall where you would normally fit an external grille. Simply push the high rise kit through a 4\" hole from the inside and the rubber gasket locks in place giving a weather tight seal.\u003cbr\u003e\u003cbr\u003eSupplied with 4\" PVC ducting, rubber gasket and external brown energy saver grille.\u003cbr\u003e\u003cbr\u003e \u003c\/div\u003e","brand":"National Ventilation","offers":[{"title":"Default Title","offer_id":58032056533256,"sku":"NVT ESHR4BR","price":43.51,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1044\/2362\/0872\/files\/4-ducting-kit-for-high-rise-installations-brown-3461-p.jpg?v=1784041562"},{"product_id":"4-stainless-steel-extract-intake-diffuser","title":"4\" Stainless Steel Extract\/Intake Diffuser","description":"\u003cp\u003e\u003cstrong\u003e4\" Stainless Steel Extract Diffuser\u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003eThis valve is constructed from brushed stainless steel and is supplied with the fixing frame. This allows positive locking and sealing of the valve yet still enables easy removal for adjustment or cleaning.\u003cbr\u003eThe central core is adjustable and offers a wide range of settings to meet specific system designs.\u003c\/p\u003e","brand":"Monsoon","offers":[{"title":"Default Title","offer_id":58032058237192,"sku":"NVT 136-04SS","price":46.54,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1044\/2362\/0872\/files\/4-stainless-steel-extract-intake-diffuser-3482-p.jpg?v=1784041582"},{"product_id":"round-duct-air-brick-adapter-100mm-four-inch","title":"Round Duct Air Brick Adapter 100mm - Four Inch","description":"\u003cstrong\u003eRound 100mm Air Brick Adapter\u003cbr\u003eNVT 073\u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003eDesigned to attach 100mm round ducting to air bricks without any loss of air flow.\u003cbr\u003e ","brand":"National Ventilation","offers":[{"title":"Default Title","offer_id":58032062103816,"sku":"NVT 073","price":14.95,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1044\/2362\/0872\/files\/round-duct-air-brick-adapter-100mm-four-inch-3499-1-p.jpg?v=1784041629"},{"product_id":"4-inch-flexible-aluminium-ducting-x-1m","title":"4 Inch Flexible Aluminium Ducting x 1m","description":"\u003cstrong\u003eFlexible Aluminium 4\" Ducting x 1m \u003c\/strong\u003e\u003cbr\u003e\u003c!--StartFragment--\u003e\u003cstrong\u003e\u003cfont size=\"2\"\u003eDUCT 4 INCH 1M PRE CUT\u003c\/font\u003e\u003c!--EndFragment--\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eDucting Hints and Tips\u003c\/strong\u003e\u003cbr\u003eStretch the ducting out as far as possible to create a totally smooth surface. Your duct run should be as short and straight as possible. Length and bends increase air pressure inside the ducting and this is bad for your extractor fan. Extra air pressure makes it harder for your fan to push the extracted air along the duct thus impairing its extraction power. \u003cbr\u003e\u003cbr\u003eIdeally, ducting should go straight through the wall to the outside world. If you do have to put bends in the ducting make them as shallow as possible rather than 90 degree elbows. If your duct run is over 4m you should consider using a centrifugal fan as most axial fans simply will not cope with the air pressure.\u003cbr\u003e\u003cbr\u003eWe recommend the use of duct clamps. These are inexpensive and ensure that the duct has a good tight fitting around the spigot of your fan and grille.","brand":"National Ventilation","offers":[{"title":"Default Title","offer_id":58032062136584,"sku":"DUCT 4 INCH 1M PRE CUT","price":3.36,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1044\/2362\/0872\/files\/4-inch-flexible-aluminium-ducting-x-1m-3504-p.jpg?v=1784041632"},{"product_id":"4-inch-flexible-aluminium-ducting-x-2m","title":"4 Inch Flexible Aluminium Ducting x 2m","description":"\u003cstrong\u003eFlexible Aluminium 4\" Ducting x 2m \u003c\/strong\u003e\u003cbr\u003e\u003c!--StartFragment--\u003e\u003cstrong\u003e\u003cfont size=\"2\"\u003eDUCT 4 INCH 2M PRE CUT\u003c\/font\u003e\u003c!--EndFragment--\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eDucting Hints and Tips\u003c\/strong\u003e\u003cbr\u003eStretch the ducting out as far as possible to create a totally smooth surface. Your duct run should be as short and straight as possible. Length and bends increase air pressure inside the ducting and this is bad for your extractor fan. Extra air pressure makes it harder for your fan to push the extracted air along the duct thus imparing its extraction power. \u003cbr\u003e\u003cbr\u003eIdeally, ducting should go straight through the wall to the outside world. If you do have to put bends in the ducting make them as shallow as possible rather than 90 degree elbows. If your duct run is over 4m you should consider using a centrifugal fan as most axial fans simply will not cope with the air pressure.\u003cbr\u003e\u003cbr\u003eWe recommend the use of duct clamps. These are inexpensive and ensure that the duct has a good tight fitting around the spigot of your fan and grille.","brand":"National Ventilation","offers":[{"title":"Default Title","offer_id":58032062169352,"sku":"DUCT 4 INCH 2M PRE CUT","price":6.73,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1044\/2362\/0872\/files\/4-inch-flexible-aluminium-ducting-x-2m-3505-p.jpg?v=1784041635"},{"product_id":"4-inch-flexible-aluminium-ducting-x-3m","title":"4 Inch Flexible Aluminium Ducting x 3m","description":"\u003cstrong\u003eFlexible Aluminium 4\" Ducting x 3m \u003c\/strong\u003e\u003cbr\u003e\u003c!--StartFragment--\u003e\u003cstrong\u003e\u003cfont size=\"2\"\u003eDUCT 4 INCH 3M PRE CUT\u003c\/font\u003e\u003c!--EndFragment--\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eDucting Hints and Tips\u003c\/strong\u003e\u003cbr\u003eStretch the ducting out as far as possible to create a totally smooth surface. Your duct run should be as short and straight as possible. Length and bends increase air pressure inside the ducting and this is bad for your extractor fan. Extra air pressure makes it harder for your fan to push the extracted air along the duct thus impairing its extraction power. \u003cbr\u003e\u003cbr\u003eIdeally, ducting should go straight through the wall to the outside world. If you do have to put bends in the ducting make them as shallow as possible rather than 90 degree elbows. If your duct run is over 4m you should consider using a centrifugal fan as most axial fans simply will not cope with the air pressure.\u003cbr\u003e\u003cbr\u003eWe recommend the use of duct clamps. These are inexpensive and ensure that the duct has a good tight fitting around the spigot of your fan and grille.","brand":"National Ventilation","offers":[{"title":"Default Title","offer_id":58032062333192,"sku":"DUCT 4 INCH 3M PRE CUT","price":11.96,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1044\/2362\/0872\/files\/4-inch-flexible-aluminium-ducting-x-3m-3506-p.jpg?v=1784041638"},{"product_id":"4-white-plastic-extract-diffuser","title":"4\" White Plastic Extract Diffuser","description":"\u003cp\u003e\u003cstrong\u003eNVT D136-04\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003e4\" White Plastic Extract Diffuser\u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003eThe D136-04 is suitable for applications requiring adjustable extraction rates, such as ventilation of internal bathrooms, toilets, utility rooms and kitchens. It provides efficient ducting for short, straight runs connecting to a 100mm round spigot.\u003cbr\u003eThe central core is adjustable and offers a wide range of settings to meet specific system designs.\u003c\/p\u003e","brand":"National Ventilation","offers":[{"title":"Default Title","offer_id":58032063349000,"sku":"NVT D136-24","price":14.27,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1044\/2362\/0872\/files\/4-white-plastic-extract-diffuser-3545-p.jpg?v=1784041656"},{"product_id":"4-inch-flexible-aluminium-ducting-x-5m","title":"4 Inch Flexible Aluminium Ducting x 5m","description":"\u003cstrong\u003eFlexible Aluminium 4\" Ducting x 5m \u003c\/strong\u003e\u003cbr\u003e\u003c!--StartFragment--\u003e\u003cstrong\u003e\u003cfont size=\"2\"\u003eDUCT 4 INCH 5M PRE CUT\u003c\/font\u003e\u003c!--EndFragment--\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eDucting Hints and Tips\u003c\/strong\u003e\u003cbr\u003eStretch the ducting out as far as possible to create a totally smooth surface. Your duct run should be as short and straight as possible. Length and bends increase air pressure inside the ducting and this is bad for your extractor fan. Extra air pressure makes it harder for your fan to push the extracted air along the duct thus impairing its extraction power. \u003cbr\u003e\u003cbr\u003eIdeally, ducting should go straight through the wall to the outside world. If you do have to put bends in the ducting make them as shallow as possible rather than 90 degree elbows. If your duct run is over 4m you should consider using a centrifugal fan as most axial fans simply will not cope with the air pressure.\u003cbr\u003e\u003cbr\u003eWe recommend the use of duct clamps. These are inexpensive and ensure that the duct has a good tight fitting around the spigot of your fan and grille.","brand":"National Ventilation","offers":[{"title":"Default Title","offer_id":58035113394440,"sku":"DUCT 4 INCH 5M PRE CUT","price":15.13,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1044\/2362\/0872\/files\/4-inch-flexible-aluminium-ducting-x-5m-4969-p.jpg?v=1784044081"},{"product_id":"4-inch-flexible-insulated-ducting-x-10m","title":"4 Inch Flexible Insulated Ducting x 10m","description":"\u003cp\u003eFlexible Aluminium 4\" Insulated Ducting x 10m \u003c\/p\u003e","brand":"National Ventilation","offers":[{"title":"Default Title","offer_id":58035113492744,"sku":"DUCT 4 INCH INSULATED 10M","price":47.33,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1044\/2362\/0872\/files\/4-inch-flexible-insulated-ducting-x-10m-4986-p.jpg?v=1784044083"},{"product_id":"manrose-100mm-4-inch-gravity-grille-black","title":"Manrose 100mm - 4 inch Gravity Grille - Black","description":"\u003cp\u003eFour inch black gravity grille. To be used with four inch flexible ducting. This grille is intended for use with extractor fans which do not have internal back draught shutters. We recommend the use of duct clamps with all ducting and grilles.\u003c\/p\u003e","brand":"Manrose","offers":[{"title":"Default Title","offer_id":58035122536712,"sku":"GRILLE 4\" GRAVITY BLACK","price":6.81,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1044\/2362\/0872\/files\/4-inch-100mm-gravity-grille-black-5015-1-p.jpg?v=1784044086"},{"product_id":"envirovent-100mm-4-inch-gravity-grille-terracotta","title":"Envirovent 100mm - 4 inch Gravity Grille - Terracotta","description":"\u003cp\u003eFour inch Terracotta gravity grille. To be used with four inch flexible ducting. This grille is intended for use with extractor fans which do not have internal back draught shutters. We recommend the use of duct clamps with all ducting and grilles.\u003c\/p\u003e","brand":"Envirovent","offers":[{"title":"Default Title","offer_id":58035122602248,"sku":"ENV 1RDGRAV100TC","price":2.22,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1044\/2362\/0872\/files\/4-inch-100mm-gravity-grille-terracotta-5016-1-p.jpg?v=1784044088"},{"product_id":"110mm-to-100mm-reducer","title":"110mm to 100mm Reducer","description":"\u003cp\u003e\u003cstrong\u003eNVT MONV120 \u003cbr\u003e110mm to 100mm Inch Reducer\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003c\/p\u003e","brand":"National Ventilation","offers":[{"title":"Default Title","offer_id":58035177750792,"sku":"NVT MONV120","price":7.7,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1044\/2362\/0872\/files\/110mm-to-100mm-reducer-5037-p.jpg?v=1784044113"},{"product_id":"manrose-white-shower-light-extractor-fan-grille-with-warm-white-led","title":"Manrose White Shower Light Extractor Fan Grille with Warm White LED","description":"\u003ch3\u003eOverview\u003c\/h3\u003e\u003cp\u003eA white shower light grille for use in the bathroom ceiling in conjunction with any 100 \/ 4\" inline fan.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eGloss White\u003c\/li\u003e\n\u003cli\u003e3W Warm White LED MR16 included\u003c\/li\u003e\n\u003cli\u003e3-5W non-dimmable driver\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Manrose","offers":[{"title":"Default Title","offer_id":58035334873352,"sku":"MAN LEDSL-W\/D","price":37.74,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1044\/2362\/0872\/files\/manrose-white-shower-light-extractor-fan-grille-with-warm-white-led-5210-p.jpg?v=1784044242"},{"product_id":"manrose-chrome-shower-light-extractor-fan-grille-with-warm-white-led","title":"Manrose Chrome Shower Light Extractor Fan Grille with Warm White LED","description":"\u003ch3\u003eOverview\u003c\/h3\u003e\u003cp\u003eA chrome shower light grille for use in the bathroom ceiling in conjunction with any 100 \/ 4\" inline fan.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eChrome\u003c\/li\u003e\n\u003cli\u003e3W Warm White LED MR16 included\u003c\/li\u003e\n\u003cli\u003e3-5W non-dimmable driver\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Manrose","offers":[{"title":"Default Title","offer_id":58035342246152,"sku":"MAN LEDSL-C\/D","price":37.74,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1044\/2362\/0872\/files\/manrose-chrome-shower-light-extractor-fan-grille-with-warm-white-led-5212-p.jpg?v=1784044245"},{"product_id":"100mm-condensation-trap-with-overflow","title":"100mm Condensation Trap with Overflow","description":"\u003cp\u003eA condensation trap works by collecting moisture in an internal gutter, before draining it to the outside through a standard 22mm overflow pipe. This trap is suitable with 100mm solid ducting only and effectively removes the risk of condensation sitting in the unheated area of a duct run. Installation is achieved by simply connecting to the system as part of the vertical solid duct run.\u003c\/p\u003e","brand":"Domus Ventilation","offers":[{"title":"Default Title","offer_id":58035466764552,"sku":"DOM 497","price":17.49,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1044\/2362\/0872\/files\/100mm-condensation-trap-with-overflow-5373-1-p.jpg?v=1784044319"},{"product_id":"aluminium-foil-duct-tape-48mm-x-45m","title":"Aluminium Foil Duct Tape 48mm x 45m","description":"\u003ch3\u003eOverview\u003c\/h3\u003e\u003cp\u003eThis aluminium tape is supplied on a roll of 45 metres and has a width of 48mm\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eIdeal for joining ducting\u003c\/li\u003e\n\u003cli\u003eSuitable for heating and ventilation repairs\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"National Ventilation","offers":[{"title":"Default Title","offer_id":58035467944200,"sku":"TAPE AT502","price":7.27,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1044\/2362\/0872\/files\/aluminium-foil-duct-tape-48mm-x-45m-5376-p.jpg?v=1784044330"},{"product_id":"4-inch-100mm-gravity-grille-cotswold-stone","title":"4 Inch 100mm Gravity Grille Cotswold Stone","description":"\u003cp\u003eFour inch Cotswold Stone gravity grille. To be used with four inch flexible ducting. This grille is intended for use with extractor fans which do not have internal back draught shutters. We recommend the use of duct clamps with all ducting and grilles.\u003c\/p\u003e","brand":"Envirovent","offers":[{"title":"Default Title","offer_id":58035492880648,"sku":"ENV 1RDGRAV100CO","price":5.22,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1044\/2362\/0872\/files\/4-inch-100mm-gravity-grille-cotswold-stone-5391-1-p.jpg?v=1784044359"},{"product_id":"blauberg-external-wind-baffle-vent-100mm-black","title":"Blauberg External Wind Baffle Vent 100mm Black","description":"\u003ch3\u003eOverview\u003c\/h3\u003e\u003cp\u003eA brilliantly designed black external wall vent that meets the needs of any ventilation system. They look great, reduce internal and external noise, and are easy to fit onto any external wall.\u003c\/p\u003e\u003cp\u003eThis Blauberg AH-10 vent cover will flush fit to an external wall and is intended for installation using 100mm 4\" diameter solid duct.\u003c\/p\u003e\u003cp\u003eWhen used and an air intake vent serving a heat recovery system (MVHR), positive input ventilation (PIV), mechanical extract system (MEV) or single room heat recovery unit, air is drawn in from opposite sides of the vent through louverd vents. Air also passes over a sound adsorbing lining to dampen airborne noise. This ensures weatherproofing and reduced noise without the need of a mechanical shutter or noisy back draft flap.\u003c\/p\u003e\u003cp\u003eAs an air extract vent, expelling dirty air from a heat recovery system, bathroom extractor fan or kitchen cooker hood, air passes over an airflow splitter and noise dampening liner. Extract air is then pushed horizontally out of either side of the grille and slotted louvred vents.\u003c\/p\u003e\u003cp\u003eWhen used with a Blauberg single room heat recovery unit, the airflow splitter within the vent acts to separate intake and extract airflow. Both airflow's are then forced horizontally out of either side of the vent and through louvred vent to stop any cross contamination.\u003c\/p\u003e\u003cp\u003eThe stylish outer cowl is aesthetically pleasing and will suite any modern building or blend into a traditional house. A small drip tray is also included to direct any condensated water away from a wall or window.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eExternal baffle only. Solid ducting is required. See related products below.\u003c\/li\u003e\n\u003cli\u003eModern, wind and sound reducing wall mounted baffle vent with UV protection.\u003c\/li\u003e\n\u003cli\u003eSuitable for any ventilation system when terminating intake or extract ducts to outside.\u003c\/li\u003e\n\u003cli\u003eFlush fitting, and will accept 100mm 4\" diameter ducts.\u003c\/li\u003e\n\u003cli\u003eUse for kitchen cooker hoods, extractor fans \u0026amp; tumble dryers.\u003c\/li\u003e\n\u003cli\u003ePreferred choice for MVHR, MEV, dMEV \u0026amp; heat recovery systems.\u003c\/li\u003e\n\u003cli\u003eRemovable hood for easy cleaning with drip tray.\u003c\/li\u003e\n\u003cli\u003eFinished in UV protected dark brown PVC.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Blauberg","offers":[{"title":"Default Title","offer_id":58035976470792,"sku":"BLA AH-10-100-BLACK","price":15.83,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1044\/2362\/0872\/files\/blauberg-external-wind-baffle-vent-100mm-black-1-6254-p.jpg?v=1784045487"},{"product_id":"blauberg-external-wind-baffle-vent-100mm-brown","title":"Blauberg External Wind Baffle Vent 100mm Brown","description":"\u003ch3\u003eOverview\u003c\/h3\u003e\u003cp\u003eA brilliantly designed brown external wall vent that meets the needs of any ventilation system. They look great, reduce internal and external noise, and are easy to fit onto any external wall.\u003c\/p\u003e\u003cp\u003eThis Blauberg AH-10 vent cover will flush fit to an external wall and is intended for installation using 100mm 4\" diameter solid duct.\u003c\/p\u003e\u003cp\u003eWhen used and an air intake vent serving a heat recovery system (MVHR), positive input ventilation (PIV), mechanical extract system (MEV) or single room heat recovery unit, air is drawn in from opposite sides of the vent through louverd vents. Air also passes over a sound adsorbing lining to dampen airborne noise. This ensures weatherproofing and reduced noise without the need of a mechanical shutter or noisy back draft flap.\u003c\/p\u003e\u003cp\u003eAs an air extract vent, expelling dirty air from a heat recovery system, bathroom extractor fan or kitchen cooker hood, air passes over an airflow splitter and noise dampening liner. Extract air is then pushed horizontally out of either side of the grille and slotted louvred vents.\u003c\/p\u003e\u003cp\u003eWhen used with a Blauberg single room heat recovery unit, the airflow splitter within the vent acts to separate intake and extract airflow. Both airflow's are then forced horizontally out of either side of the vent and through louvred vent to stop any cross contamination.\u003c\/p\u003e\u003cp\u003eThe stylish outer cowl is aesthetically pleasing and will suite any modern building or blend into a traditional house. A small drip tray is also included to direct any condensated water away from a wall or window.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eExternal baffle only. Solid ducting is required. See related products below.\u003c\/li\u003e\n\u003cli\u003eModern, wind and sound reducing wall mounted baffle vent with UV protection.\u003c\/li\u003e\n\u003cli\u003eSuitable for any ventilation system when terminating intake or extract ducts to outside.\u003c\/li\u003e\n\u003cli\u003eFlush fitting, and will accept 100mm 4\" diameter ducts.\u003c\/li\u003e\n\u003cli\u003eUse for kitchen cooker hoods, extractor fans \u0026amp; tumble dryers.\u003c\/li\u003e\n\u003cli\u003ePreferred choice for MVHR, MEV, dMEV \u0026amp; heat recovery systems.\u003c\/li\u003e\n\u003cli\u003eRemovable hood for easy cleaning with drip tray.\u003c\/li\u003e\n\u003cli\u003eFinished in UV protected dark brown PVC.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Blauberg","offers":[{"title":"Default Title","offer_id":58035980173576,"sku":"BLA AH-10-100-BROWN","price":16.71,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1044\/2362\/0872\/files\/blauberg-external-wind-baffle-vent-100mm-brown-1-6255-p.jpg?v=1784045494"},{"product_id":"blauberg-external-wind-baffle-vent-100mm-grey","title":"Blauberg External Wind Baffle Vent 100mm Grey","description":"\u003ch3\u003eOverview\u003c\/h3\u003e\u003cp\u003eA brilliantly designed grey external wall vent that meets the needs of any ventilation system. They look great, reduce internal and external noise, and are easy to fit onto any external wall.\u003c\/p\u003e\u003cp\u003eThis Blauberg AH-10 vent cover will flush fit to an external wall and is intended for installation using 100mm 4\" diameter solid duct.\u003c\/p\u003e\u003cp\u003eWhen used and an air intake vent serving a heat recovery system (MVHR), positive input ventilation (PIV), mechanical extract system (MEV) or single room heat recovery unit, air is drawn in from opposite sides of the vent through louverd vents. Air also passes over a sound adsorbing lining to dampen airborne noise. This ensures weatherproofing and reduced noise without the need of a mechanical shutter or noisy back draft flap.\u003c\/p\u003e\u003cp\u003eAs an air extract vent, expelling dirty air from a heat recovery system, bathroom extractor fan or kitchen cooker hood, air passes over an airflow splitter and noise dampening liner. Extract air is then pushed horizontally out of either side of the grille and slotted louvred vents.\u003c\/p\u003e\u003cp\u003eWhen used with a Blauberg single room heat recovery unit, the airflow splitter within the vent acts to separate intake and extract airflow. Both airflow's are then forced horizontally out of either side of the vent and through louvred vent to stop any cross contamination.\u003c\/p\u003e\u003cp\u003eThe stylish outer cowl is aesthetically pleasing and will suite any modern building or blend into a traditional house. A small drip tray is also included to direct any condensated water away from a wall or window.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eExternal baffle only. Solid ducting is required. See related products below.\u003c\/li\u003e\n\u003cli\u003eModern, wind and sound reducing wall mounted baffle vent with UV protection.\u003c\/li\u003e\n\u003cli\u003eSuitable for any ventilation system when terminating intake or extract ducts to outside.\u003c\/li\u003e\n\u003cli\u003eFlush fitting, and will accept 100mm 4\" diameter ducts.\u003c\/li\u003e\n\u003cli\u003eUse for kitchen cooker hoods, extractor fans \u0026amp; tumble dryers.\u003c\/li\u003e\n\u003cli\u003ePreferred choice for MVHR, MEV, dMEV \u0026amp; heat recovery systems.\u003c\/li\u003e\n\u003cli\u003eRemovable hood for easy cleaning with drip tray.\u003c\/li\u003e\n\u003cli\u003eFinished in UV protected dark brown PVC.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Blauberg","offers":[{"title":"Default Title","offer_id":58035982532872,"sku":"BLA AH-10-100-GREY","price":16.71,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1044\/2362\/0872\/files\/blauberg-external-wind-baffle-vent-100mm-grey-1-6257-p.jpg?v=1784045505"},{"product_id":"blauberg-external-wind-baffle-vent-100mm-white","title":"Blauberg External Wind Baffle Vent 100mm White","description":"\u003ch3\u003eOverview\u003c\/h3\u003e\u003cp\u003eA brilliantly designed white external wall vent that meets the needs of any ventilation system. They look great, reduce internal and external noise, and are easy to fit onto any external wall.\u003c\/p\u003e\u003cp\u003eThis Blauberg AH-10 vent cover will flush fit to an external wall and is intended for installation using 100mm 4\" diameter solid duct.\u003c\/p\u003e\u003cp\u003eWhen used and an air intake vent serving a heat recovery system (MVHR), positive input ventilation (PIV), mechanical extract system (MEV) or single room heat recovery unit, air is drawn in from opposite sides of the vent through louverd vents. Air also passes over a sound adsorbing lining to dampen airborne noise. This ensures weatherproofing and reduced noise without the need of a mechanical shutter or noisy back draft flap.\u003c\/p\u003e\u003cp\u003eAs an air extract vent, expelling dirty air from a heat recovery system, bathroom extractor fan or kitchen cooker hood, air passes over an airflow splitter and noise dampening liner. Extract air is then pushed horizontally out of either side of the grille and slotted louvred vents.\u003c\/p\u003e\u003cp\u003eWhen used with a Blauberg single room heat recovery unit, the airflow splitter within the vent acts to separate intake and extract airflow. Both airflow's are then forced horizontally out of either side of the vent and through louvred vent to stop any cross contamination.\u003c\/p\u003e\u003cp\u003eThe stylish outer cowl is aesthetically pleasing and will suite any modern building or blend into a traditional house. A small drip tray is also included to direct any condensated water away from a wall or window.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eExternal baffle only. Solid ducting is required. See related products below.\u003c\/li\u003e\n\u003cli\u003eModern, wind and sound reducing wall mounted baffle vent with UV protection.\u003c\/li\u003e\n\u003cli\u003eSuitable for any ventilation system when terminating intake or extract ducts to outside.\u003c\/li\u003e\n\u003cli\u003eFlush fitting, and will accept 100mm 4\" diameter ducts.\u003c\/li\u003e\n\u003cli\u003eUse for kitchen cooker hoods, extractor fans \u0026amp; tumble dryers.\u003c\/li\u003e\n\u003cli\u003ePreferred choice for MVHR, MEV, dMEV \u0026amp; heat recovery systems.\u003c\/li\u003e\n\u003cli\u003eRemovable hood for easy cleaning with drip tray.\u003c\/li\u003e\n\u003cli\u003eFinished in UV protected dark brown PVC.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Blauberg","offers":[{"title":"Default Title","offer_id":58035985088776,"sku":"BLA AH-10-100-WHITE","price":15.83,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1044\/2362\/0872\/files\/blauberg-external-wind-baffle-vent-100mm-white-1-6259-p.jpg?v=1784045521"},{"product_id":"stainless-steel-bull-nose-grille-100mm","title":"Stainless Steel Bull Nose Grille - 100mm","description":"\u003ch3\u003eOverview\u003c\/h3\u003e\u003cp\u003eBull nose external wall vents are an alternative choice when extracting stale moist air and condensation from kitchen cooker hoods, bathroom extractor fans and heat recovery units when terminating to an external wall.\u003c\/p\u003e\u003cp\u003eAn aesthetically pleasing circular wall grille finished in brushed stainless steel, lending itself to industrial architectural building designs.\u003c\/p\u003e\u003cp\u003eStainless steel bull nose wall vents are becoming more popular for use with continual extract MEV systems, demand control and heat recovery ventilation systems. This is mainly because they are really easy to fit, simple slide into a 100, 125, 150 or 200mm hole, wall sleeve or duct. They don't have a built in shutter so are better suited to continual ventilation as a shutter is not required.\u003c\/p\u003e\u003cp\u003eDecor S wall vents have cowled dome beak helping with rain and weather protection and the vents have a built in bird \u0026amp; vermin mesh. A rubber gasket is also supplied to stop any air leakage.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e4\" 100mm diameter hole, duct or extractor fan connection.\u003c\/li\u003e\n\u003cli\u003eCowled hooded wall bull nose vent with bird mesh.\u003c\/li\u003e\n\u003cli\u003eManufactured in Stainless Steel.\u003c\/li\u003e\n\u003cli\u003ePreferred choice for MEV and MVHR heat recovery units \u0026amp; systems.\u003c\/li\u003e\n\u003cli\u003eSuitable for air intake \u0026amp; extract wall mounted ducts.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Blauberg","offers":[{"title":"Default Title","offer_id":58036111573256,"sku":"BLA DECOR S 102HK","price":19.15,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1044\/2362\/0872\/files\/stainless-steel-bull-nose-grille-100mm-1-6272-p.jpg?v=1784045626"},{"product_id":"stainless-steel-cowled-grille-100mm","title":"Stainless Steel Cowled Grille - 100mm","description":"\u003ch3\u003eOverview\u003c\/h3\u003e\u003cp\u003eStainless Steel Cowled Grille - 100mm\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e4\" 100mm diameter hole, duct or extractor fan connection.\u003c\/li\u003e\n\u003cli\u003eCowled hooded wall vent with single blade back draught shutter.\u003c\/li\u003e\n\u003cli\u003eManufactured in Stainless Steel.\u003c\/li\u003e\n\u003cli\u003eIdeal for bathrooms, kitchen cooker hoods \u0026amp; extractor fans.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Blauberg","offers":[{"title":"Default Title","offer_id":58036119634184,"sku":"BLA DECOR S 137X137-102HK","price":30.25,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1044\/2362\/0872\/files\/stainless-steel-cowled-grille-100mm-1-6276-p.jpg?v=1784045635"},{"product_id":"quick-fit-internal-extractor-fan-wall-kit-brown","title":"Quick Fit Internal Extractor Fan Wall Kit - Brown","description":"\u003cp\u003e\u003cstrong\u003eManrose DHRIWKB Solid High Rise Duct Kit - Brown\u003cbr\u003eMAN DHRIWKB \u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe Manrose Deluxe Quick Internal Fit Wall Kit is the perfect partner of the professional electrician. Designed to be installed entirely from the inside of a property, the DHRIWKW removes the need to install an external grille which often means climbing up ladders or putting up costly scaffolding. This kit will dramatically reduce precious installation time and is adjustable to suit wall depths from 225mm to 390mm. It's inovative rubber grille provides a weather proof seal and ensures a flush finish with almost any surface. It also ensures a clean and tidy finish on outside.\u003c\/p\u003e\u003cp\u003eAvailable in Brown or White.\u003c\/p\u003e\u003cp\u003e\u003ciframe src=\"https:\/\/www.youtube.com\/embed\/huiuIjn10Nk?ecver=1\" frameborder=\"0\" width=\"320\" height=\"240\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e","brand":"Manrose","offers":[{"title":"Default Title","offer_id":58036697432328,"sku":"MAN DHRIWKB","price":22.04,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1044\/2362\/0872\/files\/quick-fit-internal-extractor-fan-wall-kit-brown-1-6463-p.jpg?v=1784046082"},{"product_id":"quick-fit-internal-extractor-fan-wall-kit-white","title":"Quick Fit Internal Extractor Fan Wall Kit - White","description":"\u003cp\u003e\u003cstrong\u003eManrose DHRIWKW Solid High Rise Duct Kit - White\u003cbr\u003eMAN DHRIWKW \u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe Manrose Deluxe Quick Internal Fit Wall Kit is the perfect partner of the professional electrician. Designed to be installed entirely from the inside of a property, the DHRIWKW removes the need to install an external grille which often means climbing up ladders or putting up costly scaffolding. This kit will dramatically reduce precious installation time and is adjustable to suit wall depths from 225mm to 390mm. It's inovative rubber grille provides a weather proof seal and ensures a flush finish with almost any surface. It also ensures a clean and tidy finish on outside.\u003c\/p\u003e\u003cp\u003eAvailable in White or Brown.\u003c\/p\u003e\u003ctd\u003e\u003ciframe src=\"https:\/\/www.youtube.com\/embed\/huiuIjn10Nk?ecver=1\" frameborder=\"0\" width=\"320\" height=\"240\"\u003e\u003c\/iframe\u003e\u003c\/td\u003e","brand":"Manrose","offers":[{"title":"Default Title","offer_id":58036697760008,"sku":"MAN DHRIWKW","price":22.04,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1044\/2362\/0872\/files\/quick-fit-internal-extractor-fan-wall-kit-white-1-6464-p.jpg?v=1784046088"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1044\/2362\/0872\/collections\/four-inch-100mm-ducting-grilles-accessories-192-c.jpg?v=1781629602","url":"https:\/\/www.extractorfanworld.co.uk\/collections\/four-inch-100mm-ducting-grilles-accessories-192.oembed?page=4","provider":"Extractor Fan World","version":"1.0","type":"link"}