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Best Seller | DAYTON 3HHN8 20 in Backdraft Damper / Wall Shutter, Front Flange 23 In.H-W 5 1/4 In.L Aluminum Backdraft Damper, Damper Application Backdraft, For Nominal Duct Diameter Not Applicable, Frame Material Aluminum, Number of Panels 1, Maximum Air Velocity 2500 fpm, Overall Height 23 in, Rough Opening Diameter 20 1/2 in,... ... more | go to store |
DAYTON 3HHN5 12 in Backdraft Damper / Wall Shutter, Front Flange 15 In.H-W 5 1/4 In.L Aluminum Backdraft Damper, Damper Application Backdraft, For Nominal Duct Diameter Not Applicable, Frame Material Aluminum, Number of Panels 1, Maximum Air Velocity 2500 fpm, Overall Height 15 in, Rough Opening Diameter 12 1/2 in,... ... more | go to store |
DAYTON 4C557 16 in Backdraft Damper / Wall Shutter, 16-1/2 in x 16-1/2 in 19 In.H-W 5.75 In.L Aluminum Backdraft Damper, Damper Application Backdraft, For Nominal Duct Diameter Not Applicable, Frame Material Aluminum, Number of Panels 1, Maximum Air Velocity 2500 fpm, Overall Height 19 in, Rough Opening Diameter 16 1/2 in,... ... more | go to store |
DAYTON 3C311 42 in Backdraft Damper / Wall Shutter, 42-1/2 in x 42-1/2 in 45 In.H-W 5.75 In.L Aluminum Backdraft Damper, Damper Application Backdraft, For Nominal Duct Diameter Not Applicable, Frame Material Aluminum, Number of Panels 2, Maximum Air Velocity 2500 fpm, Overall Height 45 in, Rough Opening Diameter 42 1/2 in,... ... more | go to store |
DAYTON 2FTW6 24 in Backdraft Damper / Wall Shutter, Front Flange 27 In.H-W 5.75 In.L Alu Wall Exhaust Shutter, Damper Application Backdraft, For Nominal Duct Diameter Not Applicable, Frame Material Aluminum, Number of Panels 1, Maximum Air Velocity 2500 fpm, Overall Height 27 in, Rough Opening Diameter 24 1/2 in,... ... more | go to store |
DAYTON 3C308 24 in Backdraft Damper / Wall Shutter, 24-1/2 in x 24-1/2 in 27 In.H-W 5.75 In.L Aluminum Backdraft Damper, Damper Application Backdraft, For Nominal Duct Diameter Not Applicable, Frame Material Aluminum, Number of Panels 1, Maximum Air Velocity 2500 fpm, Overall Height 27 in, Rough Opening Diameter 24 1/2 in,... ... more | go to store |
DAYTON 2FTX1 30 in Backdraft Damper / Wall Shutter, Front Flange 33 In.H-W 5.75 In.L Alu Wall Backdraft Dampr, Damper Application Backdraft, For Nominal Duct Diameter Not Applicable, Frame Material Aluminum, Number of Panels 1, Maximum Air Velocity 2500 fpm, Overall Height 33 in, Rough Opening Diameter 30 1/2 in,... ... more | go to store |
DAYTON 3HHN9 36 in Backdraft Damper / Wall Shutter, Front Flange 39 In.H-W 5 1/4 In.L Aluminum Backdraft Damper, Damper Application Backdraft, For Nominal Duct Diameter Not Applicable, Frame Material Aluminum, Number of Panels 2, Maximum Air Velocity 2500 fpm, Overall Height 39 in, Rough Opening Diameter 36 1/2 in,... ... more | go to store |
DAYTON 3C115 54 in Backdraft Damper / Wall Shutter, 54-1/2 in x 54-1/2 in 57 In.H-W 6 1/4 In.L Alum Wall Fan Shutter, Damper Application Backdraft, For Nominal Duct Diameter Not Applicable, Frame Material Galvanized Steel, Number of Panels 2, Maximum Air Velocity 2500 fpm, Overall Height 57 in, Rough Opening Diameter 54 1/2... ... more | go to store |
DAYTON 2FTW1 42 in Backdraft Damper / Wall Shutter, Front Flange 45 In.H-W 5.75 In.L Alu Wall Exhaust Shutter, Damper Application Backdraft, For Nominal Duct Diameter Not Applicable, Frame Material Aluminum, Number of Panels 2, Maximum Air Velocity 2500 fpm, Overall Height 45 in, Rough Opening Diameter 42 1/2 in,... ... more | go to store |
DAYTON 53DR10 12 in Backdraft Damper / Wall Shutter, 14-1/2 in x 14-1/2 in 17 In.H-W 5.75 In.L Alu Wall Backdraft Dampr, Damper Application Backdraft, For Nominal Duct Diameter Not Applicable, Frame Material Galvanized Steel, Number of Panels 1, Maximum Air Velocity 2500 fpm, Overall Height 17 in, Rough Opening Diameter 14... ... more | go to store |
DAYTON 3HHN4 10 in Backdraft Damper / Wall Shutter, Front Flange 13 In.H-W 5 1/4 In.L Aluminum Backdraft Damper, Damper Application Backdraft, For Nominal Duct Diameter Not Applicable, Frame Material Aluminum, Number of Panels 1, Maximum Air Velocity 2500 fpm, Overall Height 13 in, Rough Opening Diameter 10 1/2 in,... ... more | go to store |
DAYTON 4FZH8 30 in Backdraft Damper / Wall Shutter, 30-1/2 in x 30-1/2 in 33 In.H-W 6.5 In.L Extrd Alu Backdraft Dampr, Damper Application Backdraft, For Nominal Duct Diameter Not Applicable, Frame Material Aluminum, Number of Panels 1, Maximum Air Velocity 3250 fpm, Overall Height 33 in, Rough Opening Diameter 30 1/2 in,... ... more | go to store |
DAYTON 53DR20 20 in Backdraft Damper / Wall Shutter, 22-1/2 in x 22-1/2 in 25 In.H-W 6 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 25 in, Rough Opening Diameter 22 1/2... ... more | go to store |
DAYTON 4C558 18 in Backdraft Damper / Wall Shutter, 18-1/2 in x 18-1/2 in 21 In.H-W 5.75 In.L Aluminum Backdraft Damper, Damper Application Backdraft, For Nominal Duct Diameter Not Applicable, Frame Material Aluminum, Number of Panels 1, Maximum Air Velocity 2500 fpm, Overall Height 21 in, Rough Opening Diameter 18 1/2 in,... ... more | go to store |
DAYTON 2C520 16 in Backdraft Damper / Wall Shutter, 16-1/2 in x 16-1/2 in 19 In.H-W 6 In.L Aluminum Wall Backdraft Dampr, Damper Application Backdraft, For Nominal Duct Diameter Not Applicable, Frame Material Galvanized Steel, Number of Panels 1, Maximum Air Velocity 2000 fpm, Overall Height 19 in, Rough Opening Diameter 16... ... more | go to store |
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 4C521 36 in Backdraft Damper / Wall Shutter, 36-1/2 in x 36-1/2 in 39 In.H-W 5.75 In.L Alu Wall Backdraft Dampr, Damper Application Backdraft, For Nominal Duct Diameter Not Applicable, Frame Material Galvanized Steel, Number of Panels 1, Maximum Air Velocity 2500 fpm, Overall Height 39 in, Rough Opening Diameter 36... ... more | go to store |
DAYTON 1C211 48 in Backdraft Damper / Wall Shutter, 48-1/2 in x 48-1/2 in 51 In.H-W 5.75 In.L Alu Wall Vent Shutter, Damper Application Backdraft, For Nominal Duct Diameter Not Applicable, Frame Material Galvanized Steel, Number of Panels 2, Maximum Air Velocity 2500 fpm, Overall Height 51 in, Rough Opening Diameter 48 1/2... ... more | go to store |
DAYTON 1C743 16 in Backdraft Damper / Wall Shutter, 16-1/2 in x 16-1/2 in 19 In.H-W 5.75 In.L Alu Wall Backdraft Dampr, Damper Application Backdraft, For Nominal Duct Diameter Not Applicable, Frame Material Galvanized Steel, Number of Panels 1, Maximum Air Velocity 2500 fpm, Overall Height 19 in, Rough Opening Diameter 16... ... more | go to store |
DAYTON 5C213 18 in Backdraft Damper / Wall Shutter, 18-1/2 in x 18-1/2 in 21 In.H-W 6.5 In.L Fiberglass Backdraft Damper, Damper Application Backdraft, For Nominal Duct Diameter Not Applicable, Frame Material Fiberglass, Number of Panels 1, Maximum Air Velocity 2500 fpm, Overall Height 21 in, Rough Opening Diameter 18 1/2... ... more | go to store |
DAYTON 1C055 30 in Backdraft Damper / Wall Shutter, 30-1/2 in x 30-1/2 in 33 In.H-W 5 3/4 In.L Alu Wall Backdraft Damper, Damper Application Backdraft, For Nominal Duct Diameter Not Applicable, Frame Material Galvanized Steel, Number of Panels 1, Maximum Air Velocity 2500 fpm, Overall Height 33 in, Rough Opening Diameter 30... ... more | go to store |
DAYTON 3C309 30 in Backdraft Damper / Wall Shutter, 30-1/2 in x 30-1/2 in 33 In.H-W 5.75 In.L Aluminum Backdraft Damper, Damper Application Backdraft, For Nominal Duct Diameter Not Applicable, Frame Material Aluminum, Number of Panels 1, Maximum Air Velocity 2500 fpm, Overall Height 33 in, Rough Opening Diameter 30 1/2 in,... ... more | go to store |
DAYTON 1C210 42 in Backdraft Damper / Wall Shutter, 42-1/2 in x 42-1/2 in 45 In.H-W 5.75 In.L Alu Wall Vent Shutter, Damper Application Backdraft, For Nominal Duct Diameter Not Applicable, Frame Material Galvanized Steel, Number of Panels 2, Maximum Air Velocity 2500 fpm, Overall Height 45 in, Rough Opening Diameter 42 1/2... ... more | go to store |
DAYTON 3C310 36 in Backdraft Damper / Wall Shutter, 36-1/2 in x 36-1/2 in 39 In.H-W 5.75 In.L Alu Wall Backdraft Damper, Damper Application Backdraft, For Nominal Duct Diameter Not Applicable, Frame Material Aluminum, Number of Panels 1, Maximum Air Velocity 2500 fpm, Overall Height 39 in, Rough Opening Diameter 36 1/2 in,... ... more | go to store |
DAYTON 1C209 36 in Backdraft Damper / Wall Shutter, 36-1/2 in x 36-1/2 in 39 In.H-W 5.75 In.L Alu Wall Vent Shutter, Damper Application Backdraft, For Nominal Duct Diameter Not Applicable, Frame Material Galvanized Steel, Number of Panels 2, Maximum Air Velocity 2500 fpm, Overall Height 39 in, Rough Opening Diameter 36 1/2... ... more | go to store |
DAYTON 3HHP5 14 in Backdraft Damper / Wall Shutter, 14-1/2 in x 14-1/2 in 17 In.H-W 6 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 14 1/2... ... more | go to store |
DAYTON 2C518 12 in Backdraft Damper / Wall Shutter, 12-1/2 in x 12-1/2 in 15 In.H-W 6 In.L Aluminum Wall Backdraft Dampr, Damper Application Backdraft, For Nominal Duct Diameter Not Applicable, Frame Material Galvanized Steel, Number of Panels 1, Maximum Air Velocity 2000 fpm, Overall Height 15 in, Rough Opening Diameter 12... ... more | go to store |
DAYTON 2C526 10 in Backdraft Damper / Wall Shutter, 10-1/2 in x 10-1/2 in 13 In.H-W 5.75 In.L Alu Wall Backdraft Dampr, Damper Application Backdraft, For Nominal Duct Diameter Not Applicable, Frame Material Galvanized Steel, Number of Panels 1, Maximum Air Velocity 2500 fpm, Overall Height 13 in, Rough Opening Diameter 10... ... more | go to store |
DAYTON 4C559 20 in Backdraft Damper / Wall Shutter, 20-1/2 in x 20-1/2 in 23 In.H-W 5.75 In.L Aluminum Backdraft Damper, Damper Application Backdraft, For Nominal Duct Diameter Not Applicable, Frame Material Aluminum, Number of Panels 1, Maximum Air Velocity 2500 fpm, Overall Height 23 in, Rough Opening Diameter 20 1/2 in,... ... more | go to store |
DAYTON 1C742 12 in Backdraft Damper / Wall Shutter, 12-1/2 in x 12-1/2 in 15 In.H-W 5.75 In.L Alu Wall Backdraft Dampr, Damper Application Backdraft, For Nominal Duct Diameter Not Applicable, Frame Material Galvanized Steel, Number of Panels 1, Maximum Air Velocity 2500 fpm, Overall Height 15 in, Rough Opening Diameter 12... ... more | go to store |
DAYTON 4YN20 16 in Backdraft Damper / Gable Shutter, 17 in x 17 in 19 In.H-W 6 In.L Aluminum Gable Shutter Damper, For Nominal Duct Diameter Not Applicable, Frame Material Aluminum, Number of Panels 1, Maximum Air Velocity 2500 fpm, Overall Height 19 in, Rough Opening Diameter 16 1/2 in, Rough Opening Shape Square,... ... more | go to store |
DAYTON 1C745 20 in Backdraft Damper / Wall Shutter, 20-1/2 in x 20-1/2 in 23 In.H-W 5.75 In.L Alu Wall Backdraft Dampr, Damper Application Backdraft, For Nominal Duct Diameter Not Applicable, Frame Material Galvanized Steel, Number of Panels 1, Maximum Air Velocity 2500 fpm, Overall Height 23 in, Rough Opening Diameter 20... ... more | go to store |
DAYTON 4FZH7 24 in Backdraft Damper / Wall Shutter, 24-1/2 in x 24-1/2 in 27 In.H-W 6.5 In.L Extrd Alu Backdraft Dampr, Damper Application Backdraft, For Nominal Duct Diameter Not Applicable, Frame Material Aluminum, Number of Panels 1, Maximum Air Velocity 3250 fpm, Overall Height 27 in, Rough Opening Diameter 24 1/2 in,... ... more | go to store |
DAYTON 1C746 24 in Backdraft Damper / Wall Shutter, 24-1/2 in x 24-1/2 in 27 In.H-W 5.75 In.L Alu Wall Vent Shutter, Damper Application Backdraft, For Nominal Duct Diameter Not Applicable, Frame Material Galvanized Steel, Number of Panels 1, Maximum Air Velocity 2500 fpm, Overall Height 27 in, Rough Opening Diameter 24 1/2... ... more | go to store |
DAYTON 2C522 20 in Backdraft Damper / Wall Shutter, 20-1/2 in x 20-1/2 in 23 In.H-W 6 In.L Aluminum Wall Backdraft Dampr, Damper Application Backdraft, For Nominal Duct Diameter Not Applicable, Frame Material Galvanized Steel, Number of Panels 1, Maximum Air Velocity 2000 fpm, Overall Height 23 in, Rough Opening Diameter 20... ... more | go to store |
DAYTON 3C312 48 in Backdraft Damper / Wall Shutter, 48-1/2 in x 48-1/2 in 51 In.H-W 5.75 In.L Aluminum Backdraft Damper, Damper Application Backdraft, For Nominal Duct Diameter Not Applicable, Frame Material Aluminum, Number of Panels 2, Maximum Air Velocity 2500 fpm, Overall Height 51 in, Rough Opening Diameter 48 1/2 in,... ... more | go to store |
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