HYKE 6 Inch Roof Vent, Roof Vents for Homes, Carbon Steel Roof Exhaust Vent with Damper, Removable Collar for Attic Ventilation

【6-inch -corrosion roof vent】The roof exhaust vent is constructed from carbon steel and polyester powder , and extra layer of electrophoretic paint is applied for -corrosion and -rust 【Ventilation effect】The uniquely designed roof vent cover offers effective ventilation, increases vent openings, and enhances air exchange . Equipped with air door, the airflow can achieve 75% 【One-way damper and plate】The roof vent includes 140mm by 90mm cover, the thickness is about 3mm and has been , the structure is more stable, , snow, small animals or birds from entering, reducing the inflow of air, and indoor air humidity 【Stable and long service life】Constructed from carbon steel, and , resistant to and external , and capable of enduring various climatic conditions in different areas. or low temperatures will not impact the of the product 【 Installation】 The vent cover includes -to-install nut holes, making setup easier than other covers, time and . It with exhaust fans and ventilation ducts to provide airflow, fresh air for your (Additionally, the removable cover simplifies cleaning).