Witten A-ELBLACK Plastic Auto Foundation Vent Metal Connectors count 16 K-Cup

count 16 K-Cup

Width case : 1-1/8"

Mounts fan to a cross member secured between ceiling joist

Kills viruses

5/8" flare x 5/8" flare x 3/8" flare

Witten A-ELBLACK Plastic Auto Foundation Vent Metal Connectors count 16 K-CupAutomatically opens at 70 degrees Fahrenheit, closes at 40 (approximately). Key working mechanism, bi metal coil, fully enclosed by protective cover. Heavy duty aluminum mesh screen, front and back. 8" x 16". No electrical hook up required. Highlights: 62 square inches net free area With 18" lintel for new construction Fits standard 8" x 16" vent openings High density thermo plastic construction Stainless steel and corrosion resistant metal parts