Master Flow 8 in. H X 16 in. W Black Plastic Foundation Vent

The Master Flow 16 in. x 8 in. Resin Automatic Foundation Vent in Black helps to reduce moisture and helps prevent decay in your foundation with a net free vent area of 57 sq. in. The UV resistant resin constructed unit easily slips into place and is held in place by tightening the 4 screws in the face of the unit.