DAYTON 20UA22 Louver Damper,Adjustable,24H x 24W($605.99Value)

Description

27 In.H 27 In.W Drnbl Extrd Alu Combo Dmpr, Louver Type Combination, Frame Type Flanged, Outside Height 23 1/2 in, Outside Width 23 1/2 in, Rough Opening Height 24 in, Rough Opening Width 24 in, Louver Maximum Intake 1,661 cfm, Maximum Exhaust 2,375...