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Back Draft Damper

We have the back draft damper you need to get the job done right.

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$52.92

Backdraft Exhaust Damper, No Flange, Horizontal or Vertical Mount, Damper Size (In.) 19-3/4 x 19-3/4, Overall Size (In.) 19-3/4 x 19-3/4, Flange Width (In.) -, Max. Velocity (FPM) 2, 000, Construction Material G-90 Galvanized Steel Frame and Aluminum Blades, Use w/Dayton Ventilators -, Includes Pre-punched Conduit Hole Knock-out and Felted Edges For Quiet Operation

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MVP MASTER RAM SERIES 4" Back Draught Damper

Zoro # G2710962 Mfr # 4" BACK DAMPER
$63.03

Fits Duct Dia.: 4", Galvanized Sheet Steel Housing, Sprin Loaded Aluminium Flaps w/Rubber Seal, Can be Mounted Horizontal or Vertical, Width: 4", Length: 3.5", Weight: 0.5lbs.

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$79.99

Backdraft Exhaust Damper, No Flange, Horizontal or Vertical Mount, Damper Size (In.) 27-3/4 x 27-3/4, Overall Size (In.) 27-3/4 x 27-3/4, Flange Width (In.) -, Max. Velocity (FPM) 2, 000, Construction Material G-90 Galvanized Steel Frame and Aluminum Blades, Use w/Dayton Ventilators -, Includes Pre-punched Conduit Hole Knock-out and Felted Edges For Quiet Operation

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DAYTON Damper,Backdraft

Zoro # G1792847 Mfr # 4HX72
$30.99

Backdraft Damper, Wall Mount, Supply, Damper Size (In.) 8 x 8, Overall Size (In.) 10-3/4 x 10-3/4, Flange Width (In.) 1 3/8 in, Max. Velocity (FPM) 2, 000, Construction Material 16-gauge Extruded Aluminum Frame, Aluminum Blades, Galvanized Steel Tie Rods and Stainless Steel Hardware, Use w/Dayton Ventilators 4HZ34, 4HZ35, Includes Felted Edges For Quiet Operation

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$43.90

Backdraft Exhaust Damper, No Flange, Horizontal or Vertical Mount, Damper Size (In.) 15-3/4 x 15-3/4, Overall Size (In.) 15-3/4 x 15-3/4, Flange Width (In.) -, Max. Velocity (FPM) 2, 000, Construction Material G-90 Galvanized Steel Frame and Aluminum Blades, Use w/Dayton Ventilators -, Includes Pre-punched Conduit Hole Knock-out and Felted Edges For Quiet Operation

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$95.99

Backdraft Damper / Wall Shutter, Fits Fan Dia. 16 in, Shutter Overall Size 19 in x 19 in, Shutter Construction Material Extruded Aluminum Frame and Stainless Steel Tie Rods, Shutter Opening Required 16-1/2 in x 16-1/2 in, Shutter Free Area 1.436 sq ft, Vertical Shutter Mounting Position, Shutter Mounting Location Wall, Frame Depth 3 in, Open Depth 6 1/4 in, Flange Width 1 1/2 in, Mounting Hole Size Prepunched, Max. Velocity 3000 FPM, Blade Material Mill Finish Extruded Aluminum

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DAYTON Damper,Backdraft

Zoro # G2378257 Mfr # 4HX74
$52.84

Backdraft Damper, Wall Mount, Supply, Damper Size (In.) 12 x 12, Overall Size (In.) 14-3/4 x 14-3/4, Flange Width (In.) 1 3/8 in, Max. Velocity (FPM) 2, 000, Construction Material 16-gauge Extruded Aluminum Frame, Aluminum Blades, Galvanized Steel Tie Rods and Stainless Steel Hardware, Use w/Dayton Ventilators 4HZ46, 4HZ47, Includes Felted Edges For Quiet Operation

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SOLER & PALAU Steel Backdraft Damper,14"

Zoro # G8725431 Mfr # CAR355
$50.86

Steel backdraft damper for S&P inline fans. For use with 14" round duct.

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DAYTON Damper,Roof Mount

Zoro # G2083094 Mfr # 4HX65
$44.40

Backdraft Damper, Roof Mount, Exhaust, Damper Size (In.) 15 x 15, Overall Size (In.) 17 x 17, Flange Width (In.) 1 in, Max. Velocity (FPM) 2, 000, Construction Material Aluminum Blades, G-90 Galvanized Steel Frame, Nylon Bushings and Galvanized Steel Tie Rods., Stainless Steel Pivot Pins, Use w/Dayton Ventilators 4HX81, 4HX82, 4HX92, 4HX93, 4HZ40, 4HZ41, 4HZ44, 4HZ45, 4YC68-71, 4YC87, 4YC88, 4YC89, 4YC90, Includes Pre-punched Conduit Hole Knock-out and Felted Edges For Quiet Operation

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$26.45

Backdraft Damper / Wall Shutter, Fits Fan Dia. 10 in, Shutter Overall Size 13 in x 13 in, Shutter Construction Material G-90 Galvanized Steel Frame and Tie Rods, Shutter Opening Required 10-1/2 in x 10-1/2 in, Shutter Free Area 0.65 sq ft, Vertical Shutter Mounting Position, Shutter Mounting Location Wall, Frame Depth 2 1/4 in, Open Depth 6 1/4 in, Flange Width 1 1/2 in, Mounting Hole Size Prepunched, Max. Velocity 2000 FPM, Blade Material Mill Finish Aluminum

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$149.99

Backdraft Damper / Wall Shutter, Front Flange, Fits Fan Dia. 36 in, Shutter Overall Size 39 in x 39 in, Shutter Construction Material Extruded Aluminum Frame and Galvanized Tie Rods, Shutter Opening Required 36-1/2 in x 36-1/2 in, Shutter Free Area 7.436 sq ft, Vertical Shutter Mounting Position, Shutter Mounting Location Wall, Frame Depth 2 1/2 in, Open Depth 5 3/4 in, Flange Width 1 1/2 in, Mounting Hole Size Prepunched, Max. Velocity 2500 FPM, Blade Material Mill Finish Aluminum

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