HVAC Ductwork | McMaster-Carr

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Duct Size

Shape

Adjustable-Angle Elbow

System of Measurement

ID

Material

Stainless Steel

OD

Fitting Connection

Interlocking Bracket

Quick-Disconnect Clamp

Worm-Drive Clamp

Component

Adjustment Sleeve

Damper Hardware

Downdraft Diverter

Length

Finish

Aluminum Oxide Coated

Neoprene Coated

Silicone Coated

REACH

RoHS

Compliant with Exemptions

Export Control Classification Number (ECCN)

DFARS Specialty Metals

Gauge

For Use With

Flexibility

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

Gender

End Construction

Color

Inside Surface Texture

Clamp Type

For Duct Shape

Bend Radius

End Type

Cuff with Belt and Buckle

How can we improve?

2,552 Products

Heating, Ventilation, and Air Conditioning

Duct and Duct Fittings

Duct and Duct Fittings

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

Diffuser Collars

Diffuser Collars

Connect diffusers to duct

Duct Fans

Send airflow through or remove exhaust from duct

Duct Damper Actuators

Duct Damper Actuators

Automatically adjust duct dampers to regulate airflow

Fluid Handling

Duct Hose

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

Duct Hose Fittings

Duct Hose Fittings

Join lengths of duct hose or connect to your exhaust system

Measuring and Inspecting

Smoke Pens

Produce smoke to observe airflow and detect leaks in HVAC systems; reusable, unlike smoke candles

Smoke Candles

Light the wick for a short burst of smoke to observe airflow and detect leaks in HVAC systems

Smoke Pellets

Detect airflow and leaks in HVAC systems near server rooms and other areas with electronics

Smoke Powder

No flame needed—release a burst of powder to detect airflow and leaks in HVAC systems

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