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DAYTON 20UA21 Louver Damper,Adjustable,18H x 18W

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 cfm,... ... more

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 cfm,...

$466.99

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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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