Sheet Metal Duct | McMaster-Carr

Filter by

Shape

Duct Size

Material

ID

Fitting Connection

Component

Gauge

OD

Finish

End Construction

Gender

Length

REACH Compliance

RoHS Compliance

DFARS Compliance

Width

Duct Construction

Duct Adapter Type

Wye Angle

Height

Blade Material

Chimney Pipe Size

For System Type

How can we improve?

1,420 Products

About Duct Connections

More

Ductwork and Louvers

Standard Duct and Fittings

No need for clamps or connectors—duct and fittings have a male end that is slightly smaller than its female end for simple assembly.

Quick-Disconnect Duct and Fittings

Join duct and fittings with quick-release clamps for faster disassembly and cleanout than other duct systems.

Crush-Resistant Spiral Duct and Fittings

A spiral seam gives this duct greater strength and rigidity than standard duct.

Sure-Seal Spiral Duct and Fittings

Fittings have gaskets which create a tight seal—you don't need to seal joints with coating or tape.

Rectangular Duct and Fittings

Often used in tight spaces, such as in walls and ceilings, rectangular duct allows you to select larger sizes without increasing duct height.

Oval Duct and Fittings

At about half the height, this oval duct fits in tighter spaces than round and rectangular duct.

Automatic Airflow Dampers

Automatic Airflow Dampers

Save energy and increase comfort by heating and cooling only the areas that need it.

Gas Chimney Vents and Fittings

For use with gas-fired equipment, such as boilers and furnaces, these vent pipes and fittings withstand temperatures up to 400° F. Also known as type B gas vents.

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