Drainable Louver Fixed 47-1/2 H Alum

48 In.H 48 In.W Drnbl Extrd Alu Intake Louver Louver Type Stationary Blade Frame Type Hat Channel Frame Depth 4 in Mounting Style Recess Mount Outside Height 47 1/2 in Outside Width 47 1/2 in Rough Opening Height 48 in Rough Opening Width 48 in Louver Maximum Intake 5 484 cfm Maximum Exhaust 7 834 cfm Maximum Outside Width 47 1/2 in Minimum Outside Width 47 1/2 in Flange Width Not Applicable Free Area 8.4 sq ft Beginning Point of Water Penetration 1 031 fpm