{"product_id":"airvent-401903-100mm-4-white-external-gravity-shutter-vent-grille-4821w","title":"Airvent 401903 100mm (4\") White External Gravity Shutter Vent Grille - 4821W","description":"\u003cp\u003ePrevent cold backdraughts and protect your ducting with the \u003cb\u003eAirvent 100mm White Gravity Grille (401903 \/ 4821W)\u003c\/b\u003e. Designed for external wall mounting, this durable ABS plastic shutter features lightweight gravity-operated louvres that open automatically when your fan is running and close tight when turned off to stop wind, rain, and drafts.\u003c\/p\u003e\n\u003cp\u003eCompatible with standard 100mm (4-inch) round flexible or rigid ducting, it provides an ideal finishing outlet for bathroom extractor fans, kitchen hoods, and tumble dryer ventilation.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eKey Features:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eAutomatic Backdraught Protection:\u003c\/b\u003e Gravity louvres open during airflow and seal shut when idle.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eUniversal 100mm Fit:\u003c\/b\u003e Connects seamlessly to standard 100mm (4\") circular ductwork.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eDurable ABS Plastic:\u003c\/b\u003e Weatherproof and UV-resistant material built for continuous outdoor use.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eEasy DIY Installation:\u003c\/b\u003e Surface-mount screw-fix design for fast fitting into external walls.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"GKS PLUMBING SUPPLIES","offers":[{"title":"Default Title","offer_id":56219206418817,"sku":null,"price":6.49,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0644\/2215\/0376\/files\/7768-AIRVENT-WEBSITE-PRODUCT-IMAGES16-scaled.jpg?v=1788442732","url":"https:\/\/gksplumbingsupplies.co.uk\/products\/airvent-401903-100mm-4-white-external-gravity-shutter-vent-grille-4821w","provider":"GKS PLUMBING SUPPLIES","version":"1.0","type":"link"}