Features
- Automatically opens at 70 deg F and closes at 40 deg F
- Quick snap-in installation
- Helps prevent foundation decay and lowers risk of frozen pipes
- Replaces manual vent
More Specifications
- Color: Black
- Height: 19.0 in
- Material: Polyethylene
- Net Free Ventilating Area: 57 sq-in
- Width: 16 in