Breather Vents | McMaster-Carr

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215 Products

Breather Vents

Protect against excess vacuum and pressure in cylinders, gear boxes, and tanks

41 products

Corrosion Resistant Breather Vents

Resist corrosion in damp environments

15 products

Weather Resistant Breather Vents

Shield outdoor pipe and tank openings from debris while allowing air flow

13 products

Washdown Weather Resistant Breather Vents

Rated NEMA 6 to withstand periodic submersion in water

7 products

Moisture Absorbing Breather Vents

Keep moisture, dirt, and debris from entering your oil reservoirs

17 products

Self-Draining Breather Vents

A small outlet drains condensation to minimize moisture buildup in enclosures

4 products

Breather Vents with Cap

Add a filling port to your hydraulic tank and protect against excess pressure and vacuum

13 products

Lockable Breather Vents with Cap

Lock to prevent tampering with vented openings in pipe and tanks

5 products

Breather Vents for Enclosures

Submersible Threaded Breather Vents

Maintain consistent pressure as temperatures fluctuate in sealed enclosures

22 products

Hazardous Location Threaded Breather Vents

Safe for use around flammable and combustible gases, vapors, fibers, and dust

1 product

Corrosion Resistant Washdown Threaded Breather Vents

Rated NEMA 4X to provide protection from washdowns and corrosion

4 products

Snap-In Breather Vents

Foam filters on the louvers keep out dust and falling liquids

8 products

Submersible Snap-In Breather Vents

Let airflow in and keep water out even when submerged

3 products

Wet Environment Breather Vents

Keep air pressure steady despite indoor and outdoor temperature changes

2 products

Other Products

Air Vent Valves

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

39 products

Oil Dispenser Breather Vents

Screw into inlets on heavy duty pumps to protect against contaminants

1 product

Electrical Enclosure Vents

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

10 products

Electrical Enclosure Drain Vents

Prevent moisture from getting trapped inside enclosures while letting air flow through

6 products

Electrical Enclosure Drains

Release moisture to keep components dry

4 products