Net Free Ventilating Area : 58 Sq-in Rough Opening Size : 17 In L X 17 In W Material : Polypropylene Color : White Length : 21-7/8 In Width : 21-7/8 In Suitable For : Molded-In Screen
Net Free Ventilating Area : 12.7 Sq-in Roof Pitch : 3/12 To 20/12 Material : HDPE Color : Black Length : 20 Ft Width : 11-1/4 In Suitable For : Asphalt Shingles, Cedar Shakes, Flat Tile, Metal And Stone Coated Steel
Power Supply : 120 V Speed Rating : 1100 Rpm Material : Aluminum Color : Brown Installation Type : Roof Suitable For : Existing Vent To Add Powered Ventilation To A Cable
Power Supply : 120 V Speed Rating : 1100 Rpm Material : Aluminum Installation Type : Roof Suitable For : Existing Vent To Add Powered Ventilation To A Cable
Speed Rating : 1100 Rpm Installation Type : Roof Color : Black Material : Aluminum Power Supply : 120 V Suitable For : Existing Vent To Add Powered Ventilation To A Gable
Voltage Rating : 120 V Air Flow Rate : 6000 Cfm Material : Aluminum Finish : Metallic Dimensions : 11 In W X 34 In D X 34 In H Includes : Seal-Tite White Aluminum Ceiling Shutter, Plenum Boards And Easy-to-Follow DIYer Instructions