Dayton 20UA65 - Intake Louver,Fixed, Drainable,18 H x 48 W
Dayton 20UA65 - Intake Louver,Fixed, Drainable,18 H x 48 W
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21 In.H 51 In.W Drnbl Extrd Alu Intake Louver, Louver Type Stationary Blade, Frame Type Flanged, Frame Depth 4 in, Mounting Style Surface Mount, Outside Height 17 1/2 in, Outside Width 47 1/2 in, Rough Opening Height 18 in, Rough Opening Width 48 in, Louver Maximum Intake 3,101 cfm, Maximum Exhaust 4,435 cfm, Maximum Outside Width 50 1/2 in, Minimum Outside Width 50 1/2 in, Flange Width 1 1/2 in, Free Area 2.8 sq ft, Beginning Point of Water Penetration 1,031 fpm, Maximum Air Velocity 3500 fpm
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