Straight Duct | McMaster-Carr

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Adjustment Sleeve

Downdraft Diverter

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Abrasion Resistant

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2,445 Products

Duct and Fittings

Quick-Disconnect Duct and Fittings

Quick-Disconnect Duct and Fittings

The fastest to disassemble for dust collection and other frequently cleaned systems

Standard Duct and Fittings

Standard Duct and Fittings

Deliver air for a range of HVAC applications, including exhaust and dust collection

Spiral Duct and Fittings

Spiral Duct and Fittings

A continuous seam reinforces duct against suction from dust collection systems

Duct Flanges

Mount to air handlers and HVAC equipment to start a run of duct

Rectangular Duct and Fittings

Rectangular Duct and Fittings

Maximize the space in close quarters, such as inside walls and ceilings

Tight-Seal Spiral Duct and Fittings

Tight-Seal Spiral Duct and Fittings

Gasketed fittings prevent leaks and the seam reinforces duct against suction from dust collection systems

Chemical-Resistant Duct and Fittings

Chemical-Resistant Duct and Fittings

Withstand corrosive gases, vapors, and fumes that would eat away at most metal duct

Oval Duct and Fittings

Oval Duct and Fittings

Half the height of rectangular duct to fit into the tightest spaces

Vibration-Damping Duct Connectors

Vibration-Damping Duct Connectors

Reduce shaking and noise from fans and blowers

Fabric Duct and Fittings

Fabric Duct and Fittings

Evenly distribute air from fans and blowers through large spaces

Other Products

Duct Blast Gates

Duct Blast Gates

Slide open and closed to control flow of air and material

Duct Airflow Dampers

Duct Airflow Dampers

Regulate airflow to sections of duct

Diffuser Collars

Diffuser Collars

Connect diffusers to duct

Chimney Pipe and Fittings

Chimney Pipe and Fittings

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

Duct Spark Traps

Duct Spark Traps

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

Duct Noise Reducers

Duct Noise Reducers

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

Conduit and Fittings

Conduit and Fittings

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

Duct Turning Vanes

Duct Turning Vanes

Guide air smoothly around sharp bends in rectangular duct

Duct Flow Sights

Duct Flow Sights

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

Duct Downdraft Diverters

Duct Downdraft Diverters

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

Raceway and Fittings

Raceway and Fittings

Route and guard wiring along surfaces in your facility

Duct Fire Dampers

Duct Fire Dampers

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

Barometric Draft Dampers

Barometric Draft Dampers

Maintain consistent airflow in your furnace to improve its performance

Cable Trays and Fittings

Cable Trays and Fittings

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

Duct Hose Straights

Duct Hose Straights

Create longer lengths of hose or connect to equipment

Dust Collectors

Dust Collectors

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

The quick brown fox jumped over the lazy dog. Pedestal (35" Ht. x 4" Wd. x 4" Dp.)