Automatic Foundation Vents
- Automatically opens at 70°, closes at 40°.
- Bi-metal coil fully enclosed in patented protection.
- High-density thermo plastic construction.
- Stainless steel and corrosion resistant metal parts.
- Heavy-duty aluminum mesh screen in front and back.
- Fits standard 8" x 16" vent openings.
- Limited lifteman warraty.
- 65 sq. in. net free area.