Louver Wall Opening 36x24In Galvannealed

24 In.H 36 In.W Non-Drnbl GSteel Modulr Louver Louver Type Stationary Blade Frame Type Hat Channel Frame Depth 4 in Mounting Style Flush Mount Outside Height 23 1/2 in Outside Width 35 1/2 in Rough Opening Height 24 in Rough Opening Width 36 in Louver Maximum Intake 2 028 cfm Maximum Exhaust 2 897 cfm Maximum Outside Width 35 1/2 in Minimum Outside Width 35 1/2 in Flange Width Not Applicable Free Area 2.8 sq ft Beginning Point of Water Penetration 709 fpm