Foundation Vent 16x8in Black
Hi-density polyethylene construction. Auto-open at 70 degrees Fahrenheit, closes at 40 degrees to lower risk of frozen pipes and save energy. Replaces manual vent. Snap-in installation. 57 sq. in. NFVA. 16'' x 8''.
- FOUNDATION VENTS
- Color=Black
- MASTERFLOW
- AUTOMATIC - POLY