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Best Seller
DAYTON 3HHT1 30 in Backdraft Damper / Intake Shutter, 31 in x 31 in

DAYTON 3HHT1 30 in Backdraft Damper / Intake Shutter, 31 in x 31 in

32.75 In.H-W Alu Universal Backdraft Dampr, Frame Material Aluminum, Number of Panels 1, Maximum Air Velocity 2250 fpm, Overall Height 32 3/4 in, Rough Opening Shape Square, Fits Fan Diameter 30 in, Free Area 4.8 sq ft, Overall Width 32 3/4 in, Frame... ... more

DAYTON 3HHT1 30 in Backdraft Damper / Intake Shutter, 31 in x 31 in

32.75 In.H-W Alu Universal Backdraft Dampr, Frame Material Aluminum, Number of Panels 1, Maximum Air Velocity 2250 fpm, Overall Height 32 3/4 in, Rough Opening Shape Square, Fits Fan Diameter 30 in, Free Area 4.8 sq ft, Overall Width 32 3/4 in, Frame...

$191.99

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DAYTON 45C680 Combination Louver Damper,24x36

DAYTON 45C680 Combination Louver Damper,24x36

24 In.H 48 In.W Drnbl Extrd Alu Combo Dmpr, Louver Type Combination, Frame Type Hat Channel, Outside Height 23 1/2 in, Outside Width 35 1/2 in, Rough Opening Height 24 in, Rough Opening Width 36 in, Louver Maximum Intake 1,444 cfm, Maximum Exhaust... ... more

DAYTON 45C680 Combination Louver Damper,24x36

24 In.H 48 In.W Drnbl Extrd Alu Combo Dmpr, Louver Type Combination, Frame Type Hat Channel, Outside Height 23 1/2 in, Outside Width 35 1/2 in, Rough Opening Height 24 in, Rough Opening Width 36 in, Louver Maximum Intake 1,444 cfm, Maximum Exhaust...

$480.99

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Best Seller
DAYTON 20UA20 Louver Damper,Adjustable,12H x 12W

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 cfm,... ... more

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 cfm,...

$301.99

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