{"product_id":"hon-guan-4-inch-roof-vent-cap-with-backdraft-damper-galvanized-steel","title":"Hon\u0026Guan 4-Inch Roof Vent Cap with Backdraft Damper | Galvanized Steel","description":"\u003ch2\u003eEfficient, versatile roof vent cap for reliable ventilation\u003c\/h2\u003e\n\u003cp\u003eThe Hon\u0026amp;Guan 4-inch Roof Vent Cap combines sturdy materials with practical design to support steady airflow and flexible setup in homes or small spaces. Featuring a backdraft damper, it helps maintain ventilation effectiveness even when fans are off, reducing drafts and improving overall air movement.\u003c\/p\u003e\n\u003cp\u003eWith a 4-inch opening, this vent fits standard ducts, making it a convenient choice for remodels or new installations. The combination of galvanized steel and a durable powder coating delivers lasting protection against the elements while maintaining a clean, low-maintenance appearance.\u003c\/p\u003e\n\n\u003ch3\u003eKey performance highlights\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eBackdraft damper helps preserve airflow and prevents reverse drafts\u003c\/li\u003e\n  \u003cli\u003eAirflow potential described as up to 75% under typical operating conditions\u003c\/li\u003e\n  \u003cli\u003eCorrosion protection through high-quality galvanized steel and a robust polyester powder coating\u003c\/li\u003e\n  \u003cli\u003eMesh cover (120 mm x 90 mm) deters small animals and pests while allowing airflow\u003c\/li\u003e\n  \u003cli\u003e4-inch diameter designed for standard duct and bathroom exhaust fan connections\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eDurability meets versatile installation\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eCan be mounted on the roof or vertically on a wall for flexible placement\u003c\/li\u003e\n  \u003cli\u003ePipe extension beneath the flange simplifies ducting connections to flex ducts\u003c\/li\u003e\n  \u003cli\u003eFour mounting holes in the panel enable secure, easy installation\u003c\/li\u003e\n  \u003cli\u003eWeather-ready finish provides long-lasting performance in outdoor environments\u003c\/li\u003e\n  \u003cli\u003eDesigned for broad compatibility with 4-inch ventilation systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eReal-world use\u003c\/strong\u003e: Ideal for attics, bathrooms, or compact utility areas where reliable exhaust and protection from the elements matter. This vent cap supports ongoing air exchange while helping to maintain a comfortable indoor environment without making promises about specific results.\u003c\/p\u003e\n\n\u003ch3\u003eQuality you can count on\u003c\/h3\u003e\n\u003cp\u003eHon\u0026amp;Guan products are backed by a commitment to customer satisfaction and a straightforward shopping experience. The combination of a galvanized steel core, protective coating, and a thoughtfully designed mesh cover reflects a focus on durability and practical daily use.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What size is the roof vent and will it fit standard ducts?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The vent is 4 inches in diameter and designed for standard 4-inch ducts, with four mounting holes for a secure fit.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What protective features are included on this vent cap?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: A 120x90 mm mesh cover helps deter small animals, and the galvanized steel with powder coating offers durability and corrosion resistance.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Hon\u0026Guan","offers":[{"title":"Default Title","offer_id":53097190260847,"sku":"B0BNMNH618","price":41.35,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0725\/0598\/3087\/files\/hongguan-roof-vent-cap-4in-damper.jpg?v=1778875449","url":"https:\/\/taskholt.com\/products\/hon-guan-4-inch-roof-vent-cap-with-backdraft-damper-galvanized-steel","provider":"TaskHolt","version":"1.0","type":"link"}