Air Conditioning Fittings | McMaster-Carr

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1,963 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

Fluid Handling

Hose

Flexible and stronger than tubing; often used to convey liquids and gases under pressure

Duct Hose Fittings

Duct Hose Fittings

Join lengths of duct hose or connect to your exhaust system

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