FOUNDATION VENT - AUTOMATIC
* Automatically opens at 70 deg., closes at 40 deg.
* 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
* Fits standard 8" x 16" vent openings.
* Limited lifetime warranty.