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Best Seller
DAYTON 4HX69 Damper,Roof Mount

DAYTON 4HX69 Damper,Roof Mount

37 In.H-W 4.5 In.L Aluminum Backdraft Damper, Damper Application Backdraft, For Nominal Duct Diameter Not Applicable, Frame Material Galvanized Steel, Number of Panels 1, Maximum Air Velocity 2250 fpm, Overall Height 37 in, Rough Opening Diameter 35... ... more

DAYTON 4HX69 Damper,Roof Mount

37 In.H-W 4.5 In.L Aluminum Backdraft Damper, Damper Application Backdraft, For Nominal Duct Diameter Not Applicable, Frame Material Galvanized Steel, Number of Panels 1, Maximum Air Velocity 2250 fpm, Overall Height 37 in, Rough Opening Diameter 35...

$133.99

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DAYTON 4HX67 Damper,Roof Mount

DAYTON 4HX67 Damper,Roof Mount

25 In.H-W 4.5 In.L Aluminum Backdraft Damper, Damper Application Backdraft, For Nominal Duct Diameter Not Applicable, Frame Material Galvanized Steel, Number of Panels 1, Maximum Air Velocity 2250 fpm, Overall Height 25 in, Rough Opening Diameter 23... ... more

DAYTON 4HX67 Damper,Roof Mount

25 In.H-W 4.5 In.L Aluminum Backdraft Damper, Damper Application Backdraft, For Nominal Duct Diameter Not Applicable, Frame Material Galvanized Steel, Number of Panels 1, Maximum Air Velocity 2250 fpm, Overall Height 25 in, Rough Opening Diameter 23...

$83.59

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Best Seller
DAYTON 4HX64 Damper,Roof Mount

DAYTON 4HX64 Damper,Roof Mount

14 In.H-W 4.5 In.L Aluminum Backdraft Damper, Damper Application Backdraft, For Nominal Duct Diameter Not Applicable, Frame Material Galvanized Steel, Number of Panels 1, Maximum Air Velocity 2000 fpm, Overall Height 14 in, Rough Opening Diameter 12... ... more

DAYTON 4HX64 Damper,Roof Mount

14 In.H-W 4.5 In.L Aluminum Backdraft Damper, Damper Application Backdraft, For Nominal Duct Diameter Not Applicable, Frame Material Galvanized Steel, Number of Panels 1, Maximum Air Velocity 2000 fpm, Overall Height 14 in, Rough Opening Diameter 12...

$42.65

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DAYTON 4HX65 Damper,Roof Mount

DAYTON 4HX65 Damper,Roof Mount

17 In.H-W 4.5 In.L Aluminum Backdraft Damper, Damper Application Backdraft, For Nominal Duct Diameter Not Applicable, Frame Material Galvanized Steel, Number of Panels 1, Maximum Air Velocity 2000 fpm, Overall Height 17 in, Rough Opening Diameter 15... ... more

DAYTON 4HX65 Damper,Roof Mount

17 In.H-W 4.5 In.L Aluminum Backdraft Damper, Damper Application Backdraft, For Nominal Duct Diameter Not Applicable, Frame Material Galvanized Steel, Number of Panels 1, Maximum Air Velocity 2000 fpm, Overall Height 17 in, Rough Opening Diameter 15...

$52.25

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