{"product_id":"black-4-inch-gravity-vent-grill-with-three-flaps","title":"Black 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-34fe6aaa4016-50\" data-testid=\"conversation-turn-42\" 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=\"c422c6c7-6d0b-49cb-98ce-c7d62f399a45\" 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=\"353\" data-end=\"368\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"356\" data-end=\"368\"\u003eOverview\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp data-start=\"370\" data-end=\"792\"\u003eA black 4 inch gravity vent grill is a reliable and efficient solution for maintaining proper airflow while preventing unwanted backdraft. Designed with three gravity-operated flaps, it allows air to flow outward during operation and automatically closes when not in use, helping block cold air, dust, and insects. It is fully compatible with standard 100mm ducting systems, making it ideal for various ventilation setups.\u003c\/p\u003e\n\u003cp data-start=\"794\" data-end=\"1114\"\u003eWith its sleek black finish, this grill adds a modern touch while offering practical performance. Built from durable materials, it is suitable for both indoor and outdoor use in bathrooms, kitchens, and utility spaces. Easy to install and maintain, it ensures long-lasting protection and improved ventilation efficiency.\u003c\/p\u003e\n\u003chr data-start=\"1116\" data-end=\"1119\"\u003e\n\u003ch2 data-section-id=\"1j5qwet\" data-start=\"1121\" data-end=\"1140\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"1124\" data-end=\"1140\"\u003eKey Features\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul data-start=\"1142\" data-end=\"1588\"\u003e\n\u003cli data-section-id=\"1t3ek2g\" data-start=\"1142\" data-end=\"1189\"\u003eDesigned for 100mm (4 inch) ducting systems\u003c\/li\u003e\n\u003cli data-section-id=\"1xx1ezl\" data-start=\"1190\" data-end=\"1243\"\u003eThree gravity flaps for automatic airflow control\u003c\/li\u003e\n\u003cli data-section-id=\"enk7r7\" data-start=\"1244\" data-end=\"1289\"\u003ePrevents backdraft and external air entry\u003c\/li\u003e\n\u003cli data-section-id=\"1n3k8fm\" data-start=\"1290\" data-end=\"1334\"\u003eSleek black finish for modern appearance\u003c\/li\u003e\n\u003cli data-section-id=\"xh6ril\" data-start=\"1335\" data-end=\"1377\"\u003eDurable construction for long-term use\u003c\/li\u003e\n\u003cli data-section-id=\"d9smue\" data-start=\"1378\" data-end=\"1411\"\u003eAllows smooth outward airflow\u003c\/li\u003e\n\u003cli data-section-id=\"p7ivq8\" data-start=\"1412\" data-end=\"1453\"\u003eHelps block insects, dust, and debris\u003c\/li\u003e\n\u003cli data-section-id=\"1beks0s\" data-start=\"1454\" data-end=\"1502\"\u003eSuitable for indoor and outdoor installation\u003c\/li\u003e\n\u003cli data-section-id=\"1l2bolq\" data-start=\"1503\" data-end=\"1535\"\u003eEasy to install and maintain\u003c\/li\u003e\n\u003cli data-section-id=\"v3iicv\" data-start=\"1536\" data-end=\"1588\"\u003eIdeal for bathrooms, kitchens, and utility areas\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1590\" data-end=\"1593\"\u003e\n\u003ch2 data-section-id=\"id1bjs\" data-start=\"1595\" data-end=\"1626\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"1598\" data-end=\"1626\"\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul data-start=\"1628\" data-end=\"1941\"\u003e\n\u003cli data-section-id=\"1x57o7d\" data-start=\"1628\" data-end=\"1654\"\u003eSize: 4 inches (100mm)\u003c\/li\u003e\n\u003cli data-section-id=\"p6rqz3\" data-start=\"1655\" data-end=\"1692\"\u003eDimensions: 140mm × 140mm (H × W)\u003c\/li\u003e\n\u003cli data-section-id=\"19nf560\" data-start=\"1693\" data-end=\"1709\"\u003eColor: Black\u003c\/li\u003e\n\u003cli data-section-id=\"c5o1j4\" data-start=\"1710\" data-end=\"1753\"\u003eFlap Type: Three gravity-operated flaps\u003c\/li\u003e\n\u003cli data-section-id=\"23mw0i\" data-start=\"1754\" data-end=\"1802\"\u003eMaterial: Durable ventilation-grade material\u003c\/li\u003e\n\u003cli data-section-id=\"kh97gd\" data-start=\"1803\" data-end=\"1843\"\u003eCompatibility: 100mm ducting systems\u003c\/li\u003e\n\u003cli data-section-id=\"bz4kyo\" data-start=\"1844\" data-end=\"1905\"\u003eApplication: Ventilation outlet with backdraft prevention\u003c\/li\u003e\n\u003cli data-section-id=\"ehzjs1\" data-start=\"1906\" data-end=\"1941\"\u003eInstallation Type: Wall-mounted\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1943\" data-end=\"1946\"\u003e\n\u003ch2 data-section-id=\"1vk37ir\" data-start=\"1948\" data-end=\"1999\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"1951\" data-end=\"1999\"\u003eWhy Choose a Black 4 Inch Gravity Vent Grill\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp data-start=\"2001\" data-end=\"2263\"\u003eA black 4 inch gravity vent grill is an excellent choice for improving ventilation efficiency while protecting your duct system. The gravity flaps provide automatic control, ensuring air flows out smoothly while preventing reverse airflow when the system is off.\u003c\/p\u003e\n\u003cp data-start=\"2265\" data-end=\"2478\"\u003eIts durable build and stylish black finish make it suitable for modern spaces, both indoors and outdoors. Easy to install and highly effective, it enhances the performance and longevity of your ventilation system.\u003c\/p\u003e\n\u003chr data-start=\"2480\" data-end=\"2483\"\u003e\n\u003ch2 data-section-id=\"1jdhu1s\" data-start=\"2485\" data-end=\"2496\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"2488\" data-end=\"2496\"\u003eFAQs\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp data-start=\"2498\" data-end=\"2614\"\u003e\u003cstrong data-start=\"2498\" data-end=\"2535\"\u003e1. How do the gravity flaps work?\u003c\/strong\u003e\u003cbr data-start=\"2535\" data-end=\"2538\"\u003eThey open when air flows outward and close automatically to block backdraft.\u003c\/p\u003e\n\u003cp data-start=\"2616\" data-end=\"2718\"\u003e\u003cstrong data-start=\"2616\" data-end=\"2670\"\u003e2. Is this suitable for all 100mm ducting systems?\u003c\/strong\u003e\u003cbr data-start=\"2670\" data-end=\"2673\"\u003eYes, it fits standard 100mm (4 inch) ducting.\u003c\/p\u003e\n\u003cp data-start=\"2720\" data-end=\"2816\"\u003e\u003cstrong data-start=\"2720\" data-end=\"2751\"\u003e3. Can it be used outdoors?\u003c\/strong\u003e\u003cbr data-start=\"2751\" data-end=\"2754\"\u003eYes, it is designed for both indoor and outdoor installations.\u003c\/p\u003e\n\u003cp data-start=\"2818\" data-end=\"2911\"\u003e\u003cstrong data-start=\"2818\" data-end=\"2863\"\u003e4. Does it prevent insects from entering?\u003c\/strong\u003e\u003cbr data-start=\"2863\" data-end=\"2866\"\u003eYes, the flaps help block insects and debris.\u003c\/p\u003e\n\u003cp data-start=\"2913\" data-end=\"2992\" data-is-last-node=\"\" data-is-only-node=\"\"\u003e\u003cstrong data-start=\"2913\" data-end=\"2946\"\u003e5. Is installation difficult?\u003c\/strong\u003e\u003cbr data-start=\"2946\" data-end=\"2949\"\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":57233451450750,"sku":null,"price":4.47,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0985\/3832\/4350\/files\/Grey-4-inch-Gravity-Grill.jpg?v=1775821093","url":"https:\/\/ssmelectric.co.uk\/products\/black-4-inch-gravity-vent-grill-with-three-flaps","provider":"SSM ELECTRIC","version":"1.0","type":"link"}