Master Flow 16 in. x 8 in. Resin Power Foundation Vent in Black

The Master Flow Resin Power Foundation Vent in Black helps reduce moisture and prevent decay in your foundation during peak moisture seasons of the year. Featuring a net free vent area of 57 sq. in., the fan within the unit operates only when plugged into a 120-volt AC power source. This UV-resistant, resin-constructed unit is easily installed and removed by slipping the unit in the opening, and is held in place by tightening the four screws in the face of the unit.