Hon&Guan 12 Inch Roof Exhaust Vent Cap - Heavy Duty Galvanized Steel Roof Vents for Houses, with Damper, for Home Ventilation System - Black

From the Manufacturer

[Excellent Airflow]: Hon&Guan roof vents with backdraft damper still have an airflow of UP TO 75%, while other products on the market have an airflow of less than 50% and poor ventilation. [Corrosion Protection]: High-quality galvanized steel to ensure durability and long-lasting use. The high-performance polyester powder coating has strong corrosion resistance and excellent corrosion protection. [Easy Installation]: 12 inch roofing vents includes a pipe extension located underneath the flange for connecting to flex ducting, and there are four holes in the panel, which can help you install on the 12” bathroom exhaust fan roof jack more firmly. [MULT-FUNCTIONAL]: Hon&Guan roof vent for bath exhaust is constructed with heavy gauge steel, is not only suitable for household roof ventilation systems but can also be installed in other ventilation systems on roofs, walls, and more. It is ideal for various home areas such as kitchens, bathrooms, and attics, can be used with 12 inch duct and exhaust fans for house ventilation. [Buy with Confidence]: Package includes 4 screws for mounting the panel and air vent body, only 3 screws and 1 spare screw are needed for installation. This is a design and utility patent pending product, and we specialize in designing the most professional roof vents for modern homes.