Round Duct | McMaster-Carr

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Duct Size

System of Measurement

ID

Shape

Adjustable-Angle Elbow

Material

Stainless Steel

OD

Component

Adjustment Sleeve

Downdraft Diverter

Fitting Connection

Push to Connect

Quick-Disconnect Clamp

Worm-Drive Clamp

Unit Price

$200 or greater

Flexibility

For Use With

Length

Color

Finish

Aluminum Oxide Coated

Aluminum-Zinc Alloy Coated

Neoprene Coated

Silicone Coated

Inside Surface Texture

Maximum Temperature

Less than 250° F

250° F to 499° F

500° F to 749° F

750° F to 999° F

1,000° F or greater

RoHS

REACH

DFARS Specialty Metals

Export Control Classification Number (ECCN)

Gauge

Gender

Clamp Type

End Construction

Maximum Vacuum @ Temperature

0.01 in. Hg @ 72° F

0.02 in. Hg @ 72° F

0.03 in. Hg @ 72° F

0.05 in. Hg @ 72° F

0.07 in. Hg @ 72° F

0.1 in. Hg @ 72° F

0.2 in. Hg @ 72° F

0.3 in. Hg @ 72° F

0.4 in. Hg @ 72° F

0.5 in. Hg @ 72° F

0.58 in. Hg @ 72° F

0.6 in. Hg @ 72° F

0.7 in. Hg @ 72° F

0.88 in. Hg @ 72° F

1 in. Hg @ 72° F

Duct Profile

Bend Radius

How can we improve?

3,006 Products

Duct and Fittings

Standard Duct and Fittings

Standard Duct and Fittings

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

Quick-Disconnect Duct and Fittings

Quick-Disconnect Duct and Fittings

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

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

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

Fabric Duct and Fittings

Fabric Duct and Fittings

Evenly distribute air from fans and blowers through large spaces

Duct Vent Caps

Cover wall and roof vents to prevent cold air and debris from entering your system

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

Other Products

Duct Hose

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

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

Chimney Pipe and Fittings

Chimney Pipe and Fittings

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

Diffuser Collars

Diffuser Collars

Connect diffusers to duct

Duct Floor Sweeps

Duct Floor Sweeps

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

Duct Fire Dampers

Duct Fire Dampers

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

Duct Access Panels

Duct Access Panels

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

Duct Noise Reducers

Duct Noise Reducers

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

Duct Downdraft Diverters

Duct Downdraft Diverters

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

Barometric Draft Dampers

Barometric Draft Dampers

Maintain consistent airflow in your furnace to improve its performance

Duct Damper Handles

Duct Damper Handles

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

Diffuser Dampers

Diffuser Dampers

Regulate the airflow coming out of drop-ceiling diffusers

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