Highlights: Color: White Replaces old-style manual vents Fits standard 8" x 16" vent openings Automatically opens at 70 degrees Fahrenheit and closes at 40 (approximately) The key mechanism, bi-metal coil, fully enclosed in protective cover Stainless steel compression spring with 1 adjustable screw for easy installation 65 square inch net free area High-density thermo-plastic construction Stainless steel and corrosion resistant metal parts Heavy-duty aluminum mesh screen, front and back No electrical hook-up required Thermoplastic with automatic damper
  • Thermo-Plastic
  • With Automatic Damper
Dimensions18 x 14 x 7 inches

Witten 306MWH Replacement Auto Foundation Vent, White

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