Witten Vent A-ELBLACK 8 By 16 Inch Black Plastic Automatic Foundation Vent

18 inch lintel for new construction. Fits standard 8 by 16 inch vent openings. High density thermo-plastic construction. Automatically opens at 70 degrees fahrenheit, closes at 40 (approximately). With 18 inches lintel for new construction. Fits standard 8 inches x 16 inches vent openings. High density thermo-plastic construction. Automatically opens at 70 degrees Fahrenheit, closes at 40 (approximately). Key working mechanism, bi-metal coil, fully enclosed by prote ctive 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. 8 inches x 16 inches.

With 18 in lintel for new construction. Fits standard 8 in x 16 in vent openings. High-density thermo-plastic construction. Automatically opens at 70 deg F, 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 sq-in net-free area. Heavy-duty aluminum mesh screen, front and back. 8 in x 16 in. With 18 inches lintel for new construction. Fits standard 8 inches x 16 inches vent openings. High density thermo-plastic construction. Automatically opens at 70 degrees Fahrenheit, closes at 40 (approximately). Key working mechanism, bi-metal coil, fully enclosed by prote ctive 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. 8 inches x 16 inches.