Intake Louver, Fixed, Drainable, 42H x 42W MPN:20UA15

45 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 41 1/2 in, Outside Width 41 1/2 in, Rough Opening Height 42 in, Rough Opening Width 42 in, Louver Maximum Intake 6,719 cfm, Maximum Exhaust 9,608 cfm, Maximum Outside Width 44 1/2 in, Minimum Outside Width 44 1/2 in, Flange Width 1 1/2 in, Free Area 6.5 sq ft, Beginning Point of Water Penetration 1,031 fpm, Maximum Air Velocity 3500 fpm

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