Louver, Wall Opening 30 x 30 In, Aluminum

Intake Louver, Adjustable, Max Exhaust 1500 CFM, Max Intake 1050 CFM, Inside Height 24 In, Outside Height 28 In, Inside Width 36 to 48 In, Outside Width 40 to 52 In, Min Wall Opening 24 x 36 In, Flange Width 2 In, Mounting Hole Size 9/32 x 1/2 In, Free Area 2.35 to 3.15 Square-Ft, Max Velocity 3000 FPM, Construction Material 3003 Aluminum, For Use With Intake or Exhaust Applications, Includes Bird Screen and Screen Fasteners

Intake Louver, Fixed, Max Exhaust 1594 CFM, Max Intake 1116 CFM, Inside Height 17 In, Outside Height 29 1/2 In, Inside Width 27 In, Outside Width 29 1/2 In, Min Wall Opening 30W x 30H In, Flange Width 1 1/4 In, Free Area 2.234 Square-Ft, Max Velocity 3000 FPM, Construction Material Galvannealed, For Use With Intake or Exhaust Applications, Includes Bird Screen and Screen Fasteners

Intake Louver, Fixed, Drainable, Max. Exhaust (CFM) 2475, Max. Intake (CFM) 1724, Inside Height (In.) 24, Outside Height (In.) 29-1/2, Inside Width (In.) 27, Outside Width (In.) 29-1/2, Min. Wall Opening (In.) 30H X 30W, Flange Width (In.) 1-1/4, Free Area (Square-Ft.) 2.930, Max. Velocity (FPM) 3500, Construction Material Aluminum, For Use With Intake or Exhaust Applications, Includes Bird Screen and Screen Fasteners