Witten Vent 306MWH Foundation Vent, 65 sq-in Net Free Ventilating Area, Mesh Grill, Thermoplastic, White Surface Bolts / Slide Bolts with an anodized aluminum finish

with an anodized aluminum finish

Ideal replacement for HID bulbs that operate on 277 V building mains (must remove transformer or ballast)

most flexible industrial grade nitrile

Bottom side blades grate in a circular motion for speed grating foods like carrot and zucchini

Witten Vent 306MWH Foundation Vent, 65 sq-in Net Free Ventilating Area, Mesh Grill, Thermoplastic, White Surface Bolts / Slide Bolts with an anodized aluminum finishReplaces 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