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Best Seller | DAYTON 4YN18 36 in Backdraft Damper / Intake Shutter, 37 in x 37 in 38.75 In.H-W 4.5 In.L Alu Intake Shutter Dampr, For Nominal Duct Diameter Not Applicable, Frame Material Aluminum, Number of Panels 1, Maximum Air Velocity 2250 fpm, Overall Height 38 3/4 in, Rough Opening Diameter 37 in, Rough Opening Shape Square,... ... more | go to store |
DAYTON 20UA21 Louver Damper,Adjustable,18H x 18W 21 In.H 21 In.W Drnbl Extrd Alu Combo Dmpr, Louver Type Combination, Frame Type Flanged, Outside Height 17 1/2 in, Outside Width 17 1/2 in, Rough Opening Height 18 in, Rough Opening Width 18 in, Louver Maximum Intake 779 cfm, Maximum Exhaust 1,114... ... more | go to store |
DAYTON 20UA20 Louver Damper,Adjustable,12H x 12W 15 In.H 15 In.W Drnbl Extrd Alu Combo Dmpr, Louver Type Combination, Frame Type Flanged, Outside Height 11 1/2 in, Outside Width 11 1/2 in, Rough Opening Height 12 in, Rough Opening Width 12 in, Louver Maximum Intake 266 cfm, Maximum Exhaust 381... ... more | go to store |
DAYTON 20UA33 Intake Louver,Fixed, Drainable,24H x 18W 27 In.H 21 In.W Drnbl Extrd Alu Intake Louver, Louver Type Stationary Blade, Frame Type Flanged, Frame Depth 4 in, Mounting Style Surface Mount, Outside Height 23 1/2 in, Outside Width 17 1/2 in, Rough Opening Height 24 in, Rough Opening Width 18... ... more | go to store |
DAYTON 20UA12 Intake Louver,Fixed, Drainable,24H x 36W 39 In.H 39 In.W Drnbl Extrd Alu Intake Louver, Louver Type Stationary Blade, Frame Type Flanged, Frame Depth 4 in, Mounting Style Surface Mount, Outside Height 23 1/2 in, Outside Width 35 1/2 in, Rough Opening Height 24 in, Rough Opening Width 24... ... more | go to store |
DAYTON 20UA75 Intake Louver,Fixed, Drainable,36H x 54W 39 In.H 57 In.W Drnbl Extrd Alu Intake Louver, Louver Type Stationary Blade, Frame Type Flanged, Frame Depth 4 in, Mounting Style Surface Mount, Outside Height 35 1/2 in, Outside Width 53 1/2 in, Rough Opening Height 36 in, Rough Opening Width 54... ... more | go to store |
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