Witten Vent 306MWH Foundation Vent, 65 sq-in Net Free Ventilating Area, Mesh Grill, Thermoplastic, White Surface Bolts / Slide Bolts Bosch brings constant innovation to

Bosch brings constant innovation to concrete and masonry drilling with increased efficiency and higher durability

Tag-free label prevents chafing

so no additional tools are required

UPC: 028756956815

with an anodized aluminum finish

Witten Vent 306MWH Foundation Vent, 65 sq-in Net Free Ventilating Area, Mesh Grill, Thermoplastic, White Surface Bolts / Slide Bolts Bosch brings constant innovation toReplaces old style manual vents. Fits standard 8 in x 16 in vent openings. Automatically opens at 70 deg F 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 sq in net free area. High density thermo plastic construction. Stainless steel and corrosion resistant metal parts. Heavy duty aluminum mesh screen, front and