4 Inch Roof Vent Cap with Wind Damper and Mesh to Provide Flow of Fresh Air and Keep Critters Out,4 Inch Roof Exhaust Vent, Black

?Excellent airflow?: roof vent cap 4 inch mesh height is carefully designed according to the width of the vent pipe to maximize airflow and protection performance, the airflow is still as high as 75%, which can be used with kitchen and roof exhaust system, and also can be used with 4 inch duct and exhaust fan to ventilate the house.

?High quality galvanized steel?: 4 inch roof exhaust vent is made of galvanized steel, which can effectively isolate the steel from outside air, moisture and corrosive media, so that it can be kept in good condition for a long time in humid and corrosive environments, and significantly prolong its service life.

?Insulation of flora and fauna?: On top of the roof, the 4 inch roof vent stands quietly, with a fine mesh cover. Mesh gap of about 3 millimeters, those mischievous small animals want to get close to, are the mesh cover stable block, guarding the peace of the house.

?Diversified Uses?:roof vents for houses are not only suitable for bathroom vents, but also have excellent performance in kitchen, attic, roof and wall ventilation systems.

?Easy Installation?:4 inch Roof Dryer Vent Cap, easy and convenient to install. Duct extensions under the flange make it easy to attach the upper flexible duct. The four holes on the panel hold it firmly in place, steadily opening the ventilation mission.