Louver, Wall Opening 24 x 24 In, Aluminum

Intake Louver, Fixed Height, Adjustable Width, Max. Exhaust (CFM) 1500, Max. Intake (CFM) 1050, Inside Height (In.) 18, Outside Height (In.) 22, Inside Width (In.) 18 to 24, Outside Width (In.) 22 to 28, Min. Wall Opening (In.) 18H x 18W, Flange Width (In.) 2, Mounting Hole Size (In.) 9/32 x 1/2, Number of Blades 2, Free Area (Square-Ft.) 0.730 to 0.980, Max. Velocity (FPM) 3000, Blade Angle (Deg.) 45, Construction Material 3003 Aluminum, For Use With Intake or Exhaust Applications

Intake Louver, Fixed, Max Exhaust 802 CFM, Max Intake 561 CFM, Inside Height 11 In, Outside Height 23 1/2 In, Inside Width 21 In, Outside Width 23 1/2 In, Min Wall Opening 24W x 24H In, Flange Width 1 1/4 In, Free Area 1.384 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) 1444, Max. Intake (CFM) 1005, Inside Height (In.) 18, Outside Height (In.) 23-1/2, Inside Width (In.) 21, Outside Width (In.) 23-1/2, Min. Wall Opening (In.) 24H X 24W, Flange Width (In.) 1-1/4, Free Area (Square-Ft.) 1.878, Max. Velocity (FPM) 3500, Construction Material Aluminum, For Use With Intake or Exhaust Applications, Includes Bird Screen and Screen Fasteners