{"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","url":"https:\/\/www.extractorfanworld.co.uk\/products\/4-inch-no-resist-back-draught-grille-white","provider":"Extractor Fan World","version":"1.0","type":"link"}