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> Witten automatic vent gray replacement auto vent
Witten automatic vent gray replacement auto vent
Witten Automatic Vent Gray Replacement Auto Vent
* Made By Witten Automatic Vent Part Number: 315CGR
With 1"W frame for new construction or to replace old foundation vents. Fits standard 8" x 16" concrete block opening. Operates automatically without electricity; opens at 70 degrees Fahrenheit, closes at 40 (approximately). Simple homeowner/DIYer snap-in
