Dayton 20UC16 - Louver Damper,Adjustable,48 H x 42 W
Dayton 20UC16 - Louver Damper,Adjustable,48 H x 42 W
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50.5 In.H 44.5 In.W Drnbl Extrd Alu Combo Dmpr, Louver Type Combination, Frame Type Flanged, Outside Height 47 1/2 in, Outside Width 41 1/2 in, Rough Opening Height 48 in, Rough Opening Width 42 in, Louver Maximum Intake 6,945 cfm, Maximum Exhaust 9,932 cfm, Flange Width 1 1/2 in, Free Area 6.2 sq ft, Beginning Point of Water Penetration 1,118 fpm, Maximum Air Velocity 3,000 fpm, Blade Angle 45 Degrees , Material Aluminum, Inside Height 46 1/2 in, Inside Width 39 3/4 in, Number of Blades 10
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