Sheet Metal Duct Fittings | McMaster-Carr

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1,946 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

Chimney Storm Collars

Chimney Storm Collars

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

Chimney Pipe

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

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 Roof Flashings

Chimney Roof Flashings

Prevent leaks where chimneys pass through roofs

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