
High-impact, galvanized steel frame, felt-padded 0020 gauge aluminum louvers for ultra-quiet operationLouvers open automatically when ventilator is operatingWhen ventilator turns off, louvers close to keep out insects, rain, and dustPre-assembled...
High-impact, galvanized steel frame, felt-padded 0
020 gauge aluminum louvers for ultra-quiet operation
Louvers open automatically when ventilator is operating
When ventilator turns off, louvers close to keep out insects, rain, and dust
Pre-assembled for easy installation