Protective Vents | McMaster-Carr

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292 Products

Fluid Handling

Breather Vents

Maintain even pressure and vacuum as temperatures change by allowing airflow in tanks and enclosures

151 products

Sintered Filters

Tiny holes let particles such as air, gas, and vapor pass through while trapping contaminants

9 products

Air Vent Valves

Eliminate air pockets from fluid lines to maintain consistent flow and prevent surges

38 products

Containers, Storage, and Furniture

Drum Vents

Prevent drum failure by releasing pressure and vacuum buildup

7 products

Fuel Caps

Seal fuel tanks on trailers, compressors, and other equipment

1 product

Heating, Ventilation, and Air Conditioning

Air Diverters

Guide air toward your workspace or deflect unwanted drafts

9 products

Chimney Pipe and Fittings

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

21 products

Duct Vent Caps

Reduce downdrafts and prevent obstructions from entering vents

31 products

Electrical

Electrical Enclosure Vents

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

10 products

Electrical Enclosure Drains

Release moisture to keep components dry

4 products

Cord Grips

Securely connect cords to enclosures while sealing out dirt and moisture

8 products

Battery Vent Caps

Flip open to check water levels and fill wet-cell batteries

1 product

Lubricating

Grease Fittings

Create an inlet on equipment and machinery for injecting lubricant; also known as Zerk fittings

1 product