Sheet Metal Duct Fittings | McMaster-Carr

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Duct Size

Shape

Adjustable-Angle Elbow

Material

Stainless Steel

ID

Fitting Connection

Interlocking Bracket

Quick-Disconnect Clamp

Component

Adjustment Sleeve

Damper Hardware

Downdraft Diverter

OD

Gauge

Finish

Aluminum-Zinc Alloy Coated

Gender

End Construction

RoHS

REACH

DFARS Specialty Metals

Export Control Classification Number (ECCN)

Length

For Duct Shape

Flange Mount Type

Duct Adapter Type

Duct-to-Duct with Flange

Oval Duct to Standard Duct

Duct Construction

Gate Material

316 Stainless Steel

Width

Slide Material

Stainless Steel

Number of Mounting Holes

Chimney Pipe Size

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1,863 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

Chimney Vent Caps

Chimney Vent Caps

Cover chimneys to reduce downdrafts and block out debris

Chimney Pipe Fittings

Chimney Pipe Fittings

Form straight, elbow, and tee connections between lengths of chimney pipe

Chimney Pipe

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

Chimney Storm Collars

Chimney Storm Collars

Pair with chimney roof flashing to prevent leaks where chimneys pass through roofs

Chimney Roof Flashings

Chimney Roof Flashings

Prevent leaks where chimneys pass through roofs

Diffuser Collars

Diffuser Collars

Connect diffusers to duct

Barometric Draft Dampers

Barometric Draft Dampers

Maintain consistent airflow in your furnace to improve its performance

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.)