DetailsBackdraft Dampers For Direct-Drive and Belt-Drive Centrifugal Roof and Wall Ventilators. Blades Open When Ventilator Comes On, Close When Airflow Stops.
Warning: Not For Use with Any Kitchen Exhaust Application. Features: Galvanized 19-Gauge Steel Frame Frame Is 2" Deep with 1" Flange Aluminum Blades Have Felted Edges For Quiet Operation Pre-Punched Conduit Hole Knock-Out Accessory Damper Motor-5Acc04Dm
California residents: see Proposition 65 Warning
Weight 11 Pounds (Lb) Width 31 Inches (In) Height 3 Inches (In) Country of Origin USA Length 31 Inches (In) Brand Fantech Housing Dimensions 27" x 27" Housing Finish Galvanized Housing Material Galvanized Commercial Yes Residential Yes