Roof Vent Cap - Hon&Guan Roof Vents 4 Inch Galvanized Steel Bathroom 4 Roof Exhaust Vent for Ventilation System-with Damper, Black

Excellent Airflow Hon&Guan 4 inch roof vent 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, Home Guard The roof vent 4 inch comes with a 120mm*90mm mesh cover, with a grid gap of about 3mm to effectively prevent the entry of small animals or birds, Widely Use Hon&Guan roof dryer vent is designed for maximum airflow and protection,not only can be used with 4 inch duct and bathroom exhaust fan to form a roof ventilation and exhaust system, but can also be mounted vertically on the wall as wall vents., Easy Installation 4 inch vent 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 4” bathroom exhaust fan roof jack more firmly, Buy with Confidence We promise to ensure your absolute satisfaction with every purchase. Risk-free shopping.