Duct | McMaster-Carr

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Duct Size

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Adjustable-Angle Elbow

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Aramid/Fiberglass Fabric

Cotton/Polyester Fabric

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90° Vertical Inside Bend

90° Vertical Outside Bend

Access Panel

Adapter

Adjustable Nozzle with Stand

Adjustment Sleeve

Airflow Damper

Ball Joint

Blank Outlet Box Cover

Ceiling Beam Mounting Bracket

Ceiling Mounting Bracket

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Quick-Disconnect Clamp

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End Construction

Duct Adapter Type

Duct-to-Duct with Flange

Duct-to-Hose

Oval Duct to Standard Duct

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9,014 Products

Heating, Ventilation, and Air Conditioning

Duct and Fittings

Circulate air through HVAC systems using round, rectangular, and fabric duct

1,809 products

Duct Blast Gates

Slide open and closed to control flow of air and material

150 products

Duct Airflow Dampers

Regulate airflow to sections of duct

99 products

Chimney Pipe and Fittings

Exhaust hot air and fumes from boilers, furnaces, and stoves

74 products

Diffuser Collars

Connect diffusers to duct

4 products

Duct Noise Reducers

Muffle noise from high-velocity airflow and fans, blowers, and dust collectors

36 products

Duct Spark Traps

Reduce the risk of fire by snuffing out sparks before they get into your system

36 products

Duct Turning Vanes

Guide air smoothly around sharp bends in rectangular duct

4 products

Duct Access Panels

Create an entry point for cleaning and inspecting duct; also known as cleanouts

41 products

Duct Flow Sights

Peek inside duct to monitor airflow and check for buildup and blockages

24 products

Duct Floor Sweeps

Get dust and debris off your floor and into your collection system

3 products

Duct Fire Dampers

Automatically close at high temperatures to help prevent the spread of fire through duct

13 products

Duct Downdraft Diverters

Prevent downdrafts from blowing back into ductwork while allowing air and fumes to vent

8 products

Duct Damper Handles

Replace an existing handle or pair with a blade to create your own damper

1 product

Barometric Draft Dampers

Maintain consistent airflow in your furnace to improve its performance

6 products

Diffuser Dampers

Regulate the airflow coming out of drop-ceiling diffusers

10 products

Fluid Handling

Duct Hose

Connect to blowers and vacuums to move air, fumes, dust, chips, and liquids

1,067 products

Electrical

Wire Duct

Guide and organize wiring inside electrical boxes and machines

72 products

Raceway and Raceway Fittings

Route and guard wiring along indoor surfaces

296 products

Conduit and Conduit Fittings

Protect wiring from impact and the environment in runs indoors, outdoors, and underground

1,301 products

Wire Sleeving

Bundle wiring and protect from abrasion and heat

885 products

Cable Trays and Cable Tray Fittings

Organize and route bundles of cable while keeping them accessible anywhere along the run

139 products

Cable and Hose Carriers

Route, protect, and guide moving cable

193 products

Cable Ramps

Protect cable and cords in areas with pedestrian and equipment traffic

54 products

Wire Sleeving Installation Tools

Insert wire and hose into corrugated, spiral wrap, or wraparound sleeving

7 products

Weatherheads

Bring power into buildings and protect the entry point from rain and snow

10 products

Material Handling

Pipe Hangers

Suspend pipe, conduit, and tube from rods, hooks, and straps

612 products

Pipe Standoff Clamps

Secure pipes in sanitation drain applications and keep them from touching the mounting surface

22 products

U-Bolts

Anchor heavy pipe, tube, and conduit; stronger than routing clamps and hangers

1,069 products

U-Bolt Plates

Reinforce mounted U-bolts for a more secure hold

203 products

Pipe Supports

Brace pipe, tube, and conduit that needs to be routed between studs or elevated off the floor

82 products

Loop Clamps

Hold pipe snug against the mounting surface to prevent movement that may cause breakage

478 products

Threaded Rod Hanger Beams

Mount across roof joists to hang threaded rod and route pipe and duct in areas with no anchor point

6 products

Routing Clamps

Secure routed lines of pipe, tubing, and conduit

77 products

Routing Rings

Suspend wire and cable by feeding it through the eyehole

8 products

Chutes

Connect to conveyors and other machinery to move items using gravity

2 products

Cable and Hose Trolleys

Move cable and hose along wire rope, channel, or beams; also known as festoon trolleys

49 products

Facility and Grounds Maintenance

Dust Collectors

Extract sawdust, chips, and other particles from the air and contain them for disposal

58 products

Dust Hoods

Connect to your vacuum system to contain and remove dust while grinding or cutting

11 products

Fabricating and Machining

Wire Duct Cutters

Trim plastic slotted wire duct to fit inside enclosures and control panels

1 product

Conduit Benders

Bend conduit by hand, by foot, with heat, or with a hydraulic pump

20 products

Fastening and Joining

Tape

Bind, seal, and mark surfaces

12 products

Building and Machinery Hardware

Strut Channel Framing and Fittings

Secure fittings in the U-shaped channel to route conduit and pipe or build other structures

10 products

Brackets

Connect surfaces in an assembly

3 products