DAYTON 20UC24 LOUVER DAMPER ADJUSTABLE 54H X 48W

DAYTON 20UC24 - LOUVER DAMPER ADJUSTABLE 54H X 48W - COMBINATION LOUVER DAMPER ADJUSTABLE BLADES MAX EXHAUST (CFM) 12 896 MAX INTAKE (CFM) 9018 INSIDE HEIGHT (IN.) 48 OUTSIDE HEIGHT (IN.) 56-1/2 INSIDE WIDTH (IN.) 45 OUTSIDE WIDTH (IN.) 50-1/2 MIN WALL OPENING (IN.) 54H X 48W FLANGE WIDTH (IN.) 1-1/2 NUMBER OF BLADES 11 MAX VELOCITY (FPM) 3000 BLADE ANGLE (DEG.) 45/90 CONSTRUCTION MATERIAL EXTRUDED ALUMINUM FOR USE WITH INTAKE OR EXHAUST APPLICATIONS INCLUDES BIRD SCREEN - EQUAL TO 20UC24