Louver Wall Opening 24x24In Galvannealed

24 In.H 24 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 23 1/2 in Rough Opening Height 24 in Rough Opening Width 24 in Louver Maximum Intake 1 342 cfm Maximum Exhaust 1 918 cfm Maximum Outside Width 23 1/2 in Minimum Outside Width 23 1/2 in Flange Width Not Applicable Free Area 1.8 sq ft Beginning Point of Water Penetration 709 fpm