Louver, Adj w/ 40 to 52 In, Galv Steel MPN:2FTY1

28 In.H 40 In.W Non-Drnbl GSteel Intake Louver, Louver Type Stationary Blade, Frame Type Flanged, Frame Depth 4 in, Mounting Style Surface Mount, Outside Height 28 in, Outside Width 40 in, Rough Opening Height 24 in, Rough Opening Width 36 in, Louver Maximum Intake 3,030 cfm, Maximum Exhaust 4,330 cfm, Maximum Outside Width 52 in, Minimum Outside Width 40 in, Flange Width 2 in, Free Area 3.2 sq ft, Beginning Point of Water Penetration 766 fpm, Maximum Air Velocity 3000 fpm

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