Witten Automatic 304LGR Automatic Foundation Ventilator, 8" x 16" FREEOVER35 "Diamond" Cup Grinders

"Diamond" Cup Grinders

Automatically Turns On When Motion is Detected

without danger of vapor damage or root uptake by surrounding trees and ornamentals

MicroShield® guards against mold and mildew

It's a healthier

Witten Automatic 304LGR Automatic Foundation Ventilator, 8" x 16" FREEOVER35 "Diamond" Cup GrindersAutomatically 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