This Air Vent Aluminum Automatic Foundation Vent utilizes a bi-metal coil for automatic opening and closing, eliminating the need for electricity. It fully opens at 70 degrees Fahrenheit to allow fresh intake air and closes at approximately 40 degrees Fahrenheit to save energy and protect pipes. Installation is simple with included screws, screw anchors, or retaining clips, and no mortar is needed.
Height: 9.5 in.
Width: 17.1 in.
Color: Black
Material: Plastic
Product Type: Automatic Foundation Vent
Paintable or Stainable: No
Shape: Rectangle
UV Resistant: Yes
Slides To Open and Close: No
Depth: 4.25 in.
Net Free Area: 50 sq in