Exhaust Grilles | McMaster-Carr

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236 Products

Diffusers, Registers, and Grilles

Drop-Ceiling Return Grilles with Filter Holder

Place these grilles in the grid of a drop ceiling.

Return Grilles with Filter Holder

Return Grilles with Filter Holder

Add a filter to these grilles for protection against dust and debris entering your HVAC system.

Return Grilles

Return Grilles

Cover the opening where air is pulled into your HVAC system.

Wall/Ceiling Registers

Wall/Ceiling Registers

Direct air coming out of HVAC systems. Adjust the damper to control airflow.

Floor Registers

Install onto floor ducts to direct hot and cold air from your HVAC system.

Fixed-Blade Wall Louvers

Fixed-Blade Wall Louvers

Always open, these are our most basic wall louvers.

Heavy Duty Fixed-Blade Wall Louvers

Constructed with a thick frame and blades, these louvers have a long service life.

Fixed-Blade Louvers for Block and Brick Walls

Fixed-Blade Louvers for Block and Brick Walls

Sized to replace block or bricks.

Adjustable-Width Fixed-Blade Wall Louvers

Get an exact fit for your opening by sliding out these louvers to the width you need.

Weather-Resistant Fixed-Blade Wall Louvers

Weather-Resistant Fixed-Blade Wall Louvers

Designed with blades that drain water down the jambs, these louvers keep water from running down the front of the blades, even in harsh weather.

Fixed-Blade Wall Louvers with
Adjustable Register and Filter

Fixed-Blade Wall Louvers with Adjustable Register and Filter

The included filter cleans the air as it passes through these louvers.

Fans and Blowers

Equipment-Cooling Fan Guards with Filters

Equipment-Cooling Fan Guards with Filters

Filters remove dust and other particles from the air.

Equipment-Cooling Fan Guards

Equipment-Cooling Fan Guards

Protect fingers, cables, and debris from coming into contact with moving fan blades.

Shielded Equipment-Cooling Fan Guards

Shielded Equipment-Cooling Fan Guards

Made of conductive metal, these guards cover fans to block EMI (electromagnetic interference) and RFI (radio frequency interference).

Exhaust-Side Guards for Wall-Mount Exhaust Fans

Exhaust-Side Guards for Wall-Mount Exhaust Fans

Protect the exhaust side of your wall-mount exhaust fans from debris.

Supply-Side Guards for Wall-Mount Exhaust Fans

Supply-Side Guards for Wall-Mount Exhaust Fans

Protect the supply side of your wall-mount exhaust fans from debris.

Fan Guards

Fan Guards

These two-piece guards attach to NEMA frame motors.

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