16 In. X 8 In. Plastic Resin Slider Foundation Vent in Black
Plastic Resin Slider Foundation Vent in Black. (NFA) net free area. • Installs with mortar.
Master Flow 16 in. x 8 in. Plastic Resin Slider Foundation Vent Black – LOT OF 4
Sliding vent design for foundation openings. Plastic resin construction.
16 In. X 8 In. Resin Power Foundation Vent in Black
Resin Power Foundation Vent in Black. 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.