Witten Automatic 304LGR Automatic Foundation Ventilator, 8" x 16" FREEOVER35 MicroShield® guards against mold and

MicroShield® guards against mold and mildew

Your risk from these exposures varies depending on how often you do this type of work

Works with incandescent

Pole Diameter: 1 inch

Witten Automatic 304LGR Automatic Foundation Ventilator, 8" x 16" FREEOVER35 MicroShield® guards against mold andAutomatically opens at 70 degrees Fahrenheit, closes at 40 (approximately). Key working mechanism, bi metal coil, fully enclosed by protective cover. No electrical hook up required. Stainless steel and corrosion resistant metal parts. 62 square inches net free area. Heavy duty aluminum mesh screen, front and back. Highlights: Size: 8" x 16" Material: Thermoplastic Automatically opens at 70 degree F, closes at 40 degree F Finish: Gray With 18" lintel