HVAC Diffusers | McMaster-Carr

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77 Products

Diffusers

Ready-to-Connect Drop-Ceiling Diffusers

Ready-to-Connect Drop-Ceiling Diffusers

Connect to round ducts in drop ceilings with the included collar

Drop-Ceiling Diffusers

Drop-Ceiling Diffusers

Fit into the grid of a drop ceiling

Ready-to-Connect Moisture-Resistant Drop-Ceiling Diffusers

Ready-to-Connect Moisture-Resistant Drop-Ceiling Diffusers

A vapor barrier provides moisture protection
Connect to round ducts in drop ceilings with the included collar

Moisture-Resistant Drop-Ceiling Diffusers

Moisture-Resistant Drop-Ceiling Diffusers

A vapor barrier provides moisture protection
Fit into the grid of a drop ceiling

Ceiling Diffusers

Ceiling Diffusers

Evenly disperse airflow in rooms to maintain a consistent temperature

Ready-to-Connect Ceiling Diffusers

Ready-to-Connect Ceiling Diffusers

Install quickly with attached collar and damper

Other Products

Diffuser Dampers

Diffuser Dampers

Regulate the airflow coming out of drop-ceiling diffusers

Registers

Direct and control airflow coming out of HVAC systems

Diffuser Collars

Diffuser Collars

Connect diffusers to duct

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