Witten 306MWH Replacement Auto Foundation Vent, White Adjustable 1 Liter capacity

1 Liter capacity

synthetics or fiberglass

97% of all particles greater than or equal to

Porcelain and chrome handle

Witten 306MWH Replacement Auto Foundation Vent, White Adjustable 1 Liter capacityHighlights: 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