{"product_id":"brown-4-inch-gravity-vent-grill-with-three-flaps","title":"Brown 4 Inch Gravity Vent Grill with Three Flaps","description":"\u003cdiv class=\"flex flex-col text-sm pb-25\"\u003e\n\u003csection class=\"text-token-text-primary w-full focus:outline-none [--shadow-height:45px] has-data-writing-block:pointer-events-none has-data-writing-block:-mt-(--shadow-height) has-data-writing-block:pt-(--shadow-height) [\u0026amp;:has([data-writing-block])\u0026gt;*]:pointer-events-auto scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\" dir=\"auto\" data-turn-id=\"request-WEB:e38ac32b-231b-4fe1-aeec-34fe6aaa4016-49\" data-testid=\"conversation-turn-40\" data-scroll-anchor=\"true\" data-turn=\"assistant\"\u003e\n\u003cdiv class=\"text-base my-auto mx-auto pb-10 [--thread-content-margin:var(--thread-content-margin-xs,calc(var(--spacing)*4))] @w-sm\/main:[--thread-content-margin:var(--thread-content-margin-sm,calc(var(--spacing)*6))] @w-lg\/main:[--thread-content-margin:var(--thread-content-margin-lg,calc(var(--spacing)*16))] px-(--thread-content-margin)\"\u003e\n\u003cdiv class=\"[--thread-content-max-width:40rem] @w-lg\/main:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\"\u003e\n\u003cdiv class=\"flex max-w-full flex-col gap-4 grow\"\u003e\n\u003cdiv data-message-author-role=\"assistant\" data-message-id=\"6ec50f23-4234-49ec-9fc0-36552aa3e6cc\" dir=\"auto\" data-message-model-slug=\"gpt-5-3\" class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal outline-none keyboard-focused:focus-ring [.text-message+\u0026amp;]:mt-1\" data-turn-start-message=\"true\" tabindex=\"0\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden\"\u003e\n\u003cdiv class=\"markdown prose dark:prose-invert w-full wrap-break-word light markdown-new-styling\"\u003e\n\u003ch2 data-section-id=\"1og5t7q\" data-start=\"342\" data-end=\"357\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"345\" data-end=\"357\"\u003eOverview\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp data-start=\"359\" data-end=\"762\"\u003eA brown 4 inch gravity vent grill is a practical solution designed to enhance ventilation efficiency while preventing unwanted backdraft. Featuring three automatic flaps, it allows air to flow outward while closing when not in use, helping block cold air, insects, and debris from entering the duct system. It is compatible with standard 100mm ducting, making it suitable for various ventilation setups.\u003c\/p\u003e\n\u003cp data-start=\"764\" data-end=\"1101\"\u003eBuilt with durability and functionality in mind, this gravity grill is ideal for bathrooms, kitchens, and utility spaces. Its brown finish blends naturally with exterior walls, offering a clean and subtle appearance. Easy to install and maintain, it provides an effective and reliable way to protect and optimize your ventilation system.\u003c\/p\u003e\n\u003chr data-start=\"1103\" data-end=\"1106\"\u003e\n\u003ch2 data-section-id=\"1j5qwet\" data-start=\"1108\" data-end=\"1127\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"1111\" data-end=\"1127\"\u003eKey Features\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul data-start=\"1129\" data-end=\"1574\"\u003e\n\u003cli data-section-id=\"1t3ek2g\" data-start=\"1129\" data-end=\"1176\"\u003eDesigned for 100mm (4 inch) ducting systems\u003c\/li\u003e\n\u003cli data-section-id=\"1xx1ezl\" data-start=\"1177\" data-end=\"1230\"\u003eThree gravity flaps for automatic airflow control\u003c\/li\u003e\n\u003cli data-section-id=\"enk7r7\" data-start=\"1231\" data-end=\"1276\"\u003ePrevents backdraft and external air entry\u003c\/li\u003e\n\u003cli data-section-id=\"1w6r1xu\" data-start=\"1277\" data-end=\"1330\"\u003eDurable construction for long-lasting performance\u003c\/li\u003e\n\u003cli data-section-id=\"1uptktv\" data-start=\"1331\" data-end=\"1374\"\u003eBrown finish for a subtle exterior look\u003c\/li\u003e\n\u003cli data-section-id=\"d9smue\" data-start=\"1375\" data-end=\"1408\"\u003eAllows smooth outward airflow\u003c\/li\u003e\n\u003cli data-section-id=\"43y46u\" data-start=\"1409\" data-end=\"1443\"\u003eHelps block insects and debris\u003c\/li\u003e\n\u003cli data-section-id=\"1dst5dv\" data-start=\"1444\" data-end=\"1483\"\u003eSuitable for indoor and outdoor use\u003c\/li\u003e\n\u003cli data-section-id=\"f8hmgc\" data-start=\"1484\" data-end=\"1521\"\u003eEasy installation and maintenance\u003c\/li\u003e\n\u003cli data-section-id=\"v3iicv\" data-start=\"1522\" data-end=\"1574\"\u003eIdeal for bathrooms, kitchens, and utility areas\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1576\" data-end=\"1579\"\u003e\n\u003ch2 data-section-id=\"id1bjs\" data-start=\"1581\" data-end=\"1612\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"1584\" data-end=\"1612\"\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul data-start=\"1614\" data-end=\"1928\"\u003e\n\u003cli data-section-id=\"1x57o7d\" data-start=\"1614\" data-end=\"1640\"\u003eSize: 4 inches (100mm)\u003c\/li\u003e\n\u003cli data-section-id=\"p6rqz3\" data-start=\"1641\" data-end=\"1678\"\u003eDimensions: 140mm × 140mm (H × W)\u003c\/li\u003e\n\u003cli data-section-id=\"1qckaax\" data-start=\"1679\" data-end=\"1695\"\u003eColor: Brown\u003c\/li\u003e\n\u003cli data-section-id=\"c5o1j4\" data-start=\"1696\" data-end=\"1739\"\u003eFlap Type: Three gravity-operated flaps\u003c\/li\u003e\n\u003cli data-section-id=\"23mw0i\" data-start=\"1740\" data-end=\"1788\"\u003eMaterial: Durable ventilation-grade material\u003c\/li\u003e\n\u003cli data-section-id=\"kh97gd\" data-start=\"1789\" data-end=\"1829\"\u003eCompatibility: 100mm ducting systems\u003c\/li\u003e\n\u003cli data-section-id=\"1uv6xaz\" data-start=\"1830\" data-end=\"1892\"\u003eApplication: External vent cover with backdraft prevention\u003c\/li\u003e\n\u003cli data-section-id=\"ehzjs1\" data-start=\"1893\" data-end=\"1928\"\u003eInstallation Type: Wall-mounted\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1930\" data-end=\"1933\"\u003e\n\u003ch2 data-section-id=\"9uljf6\" data-start=\"1935\" data-end=\"1986\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"1938\" data-end=\"1986\"\u003eWhy Choose a Brown 4 Inch Gravity Vent Grill\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp data-start=\"1988\" data-end=\"2265\"\u003eA brown 4 inch gravity vent grill is an excellent choice for maintaining efficient airflow while preventing unwanted air from entering your property. The gravity flaps automatically open during operation and close when the fan is off, ensuring better insulation and protection.\u003c\/p\u003e\n\u003cp data-start=\"2267\" data-end=\"2477\"\u003eIts durable build and easy installation make it a reliable solution for long-term use. With added protection against insects and debris, it enhances both the performance and lifespan of your ventilation system.\u003c\/p\u003e\n\u003chr data-start=\"2479\" data-end=\"2482\"\u003e\n\u003ch2 data-section-id=\"1jdhu1s\" data-start=\"2484\" data-end=\"2495\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"2487\" data-end=\"2495\"\u003eFAQs\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp data-start=\"2497\" data-end=\"2631\"\u003e\u003cstrong data-start=\"2497\" data-end=\"2545\"\u003e1. What is the purpose of the gravity flaps?\u003c\/strong\u003e\u003cbr data-start=\"2545\" data-end=\"2548\"\u003eThey open when air flows out and close to prevent backdraft and external air entry.\u003c\/p\u003e\n\u003cp data-start=\"2633\" data-end=\"2735\"\u003e\u003cstrong data-start=\"2633\" data-end=\"2682\"\u003e2. Is this compatible with all 100mm ducting?\u003c\/strong\u003e\u003cbr data-start=\"2682\" data-end=\"2685\"\u003eYes, it fits standard 100mm (4 inch) duct systems.\u003c\/p\u003e\n\u003cp data-start=\"2737\" data-end=\"2825\"\u003e\u003cstrong data-start=\"2737\" data-end=\"2773\"\u003e3. Can it be installed outdoors?\u003c\/strong\u003e\u003cbr data-start=\"2773\" data-end=\"2776\"\u003eYes, it is ideal for external wall installations.\u003c\/p\u003e\n\u003cp data-start=\"2827\" data-end=\"2931\"\u003e\u003cstrong data-start=\"2827\" data-end=\"2867\"\u003e4. Does it block insects and debris?\u003c\/strong\u003e\u003cbr data-start=\"2867\" data-end=\"2870\"\u003eYes, the flaps help prevent insects and debris from entering.\u003c\/p\u003e\n\u003cp data-start=\"2933\" data-end=\"3014\" data-is-last-node=\"\" data-is-only-node=\"\"\u003e\u003cstrong data-start=\"2933\" data-end=\"2968\"\u003e5. Is installation complicated?\u003c\/strong\u003e\u003cbr data-start=\"2968\" data-end=\"2971\"\u003eNo, it is easy to install with basic tools.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c\/div\u003e","brand":"CK-Electricals","offers":[{"title":"Default Title","offer_id":57233441620350,"sku":null,"price":4.47,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0985\/3832\/4350\/files\/Brown-4-inch-Gravity-Grill.jpg?v=1775820778","url":"https:\/\/ssmelectric.co.uk\/products\/brown-4-inch-gravity-vent-grill-with-three-flaps","provider":"SSM ELECTRIC","version":"1.0","type":"link"}