Intake Louver Fixed Drainable 36H x 60W

39 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 35 1/2 in Outside Width 59 1/2 in Rough Opening Height 36 in Rough Opening Width 60 in Louver Maximum Intake 7 856 cfm Maximum Exhaust 11 234 cfm Maximum Outside Width 62 1/2 in Minimum Outside Width 62 1/2 in Flange Width 1 1/2 in Free Area 7.7 sq ft Beginning Point of Water Penetration 1 031 fpm Maximum Air Velocity 3500 fpm