Intake Louver Fixed Drainable 60H x 60W

63 In.H 63 In.W Drnbl Extrd Alu Intake Louver Louver Type Stationary Blade Frame Type Flanged Frame Depth 4 in Mounting Style Surface Mount Outside Height 59 1/2 in Outside Width 59 1/2 in Rough Opening Height 60 in Rough Opening Width 60 in Louver Maximum Intake 13 748 cfm Maximum Exhaust 19 660 cfm Maximum Outside Width 62 1/2 in Minimum Outside Width 62 1/2 in Flange Width 1 1/2 in Free Area 13.3 sq ft Beginning Point of Water Penetration 1 031 fpm