Dayton 20UC24 - Louver Damper,Adjustable,54 H x 48 W
Dayton 20UC24 - Louver Damper,Adjustable,54 H x 48 W
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56.5 In.H 50.5 In.W Drnbl Extrd Alu Combo Dmpr, Louver Type Combination, Frame Type Flanged, Outside Height 53 1/2 in, Outside Width 47 1/2 in, Rough Opening Height 54 in, Rough Opening Width 48 in, Louver Maximum Intake 9,018 cfm, Maximum Exhaust 12,896 cfm, Flange Width 1 1/2 in, Free Area 8.1 sq ft, Beginning Point of Water Penetration 1,118 fpm, Maximum Air Velocity 3000 fpm, Blade Angle 45 Degrees , Material Aluminum, Inside Height 52 1/2 in, Inside Width 45 3/4 in, Number of Blades 11
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