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Intake Louver Fixed Drainable 48H x 42W
51 In.H 45 In.W Drnbl Extrd Alu Intake Louver Louver Type Stationary Blade Frame Type Flanged Frame Depth 4 in Mounting Style Surface Mount Outside Height 47 1/2 in Outside Width 41 1/2 in Rough Opening Height 48 in Rough Opening Width 42 in Louver Maximum Intake 7 391 cfm Maximum Exhaust 10 569 cfm Maximum Outside Width 44 1/2 in Minimum Outside Width 44 1/2 in Flange Width 1 1/2 in Free Area 7.5 sq ft Beginning Point of Water Penetration 1 031 fpm Maximum Air Velocity 3500 fpm
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51 In.H 45 In.W Drnbl Extrd Alu Intake Louver Louver Type Stationary Blade Frame Type Flanged Frame Depth 4 in Mounting Style Surface Mount Outside Height 47 1/2 in Outside Width 41 1/2 in Rough Opening Height 48 in Rough Opening Width 42 in Louver Maximum Intake 7 391 cfm Maximum Exhaust 10 569 cfm Maximum Outside Width 44 1/2 in Minimum Outside Width 44 1/2 in Flange Width 1 1/2 in Free Area 7.5 sq ft Beginning Point of Water Penetration 1 031 fpm Maximum Air Velocity 3500 fpm