Air Vent Covers | McMaster-Carr

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547 Products

Heating, Ventilation, and Air Conditioning

Louvers

Allow air to circulate through doors, walls, roofs, and enclosures

271 products

Return Grilles

Cover the opening where air is pulled into your HVAC system

35 products

Registers

Direct and control airflow coming out of HVAC systems

39 products

Air Diverters

Guide air toward your workspace or deflect unwanted drafts

9 products

Diffusers

Evenly disperse airflow into a room to maintain a consistent temperature throughout

70 products

Diffuser Collars

Connect diffusers to duct

4 products

Fan Guards

Shield fans to prevent injury to workers and damage to electronic components

78 products

Exhaust Fan Guards

Protect exhaust fans from debris

15 products

Electrical Power, Networking, and Controlling

Electrical Enclosure Vents

Attach to sealed enclosures so air can flow to equalize temperature and pressure

10 products

Containers, Storage, and Furniture

Metal Panels

Close off openings in structures while allowing air to pass through

20 products