Plastic Vents | McMaster-Carr

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424 Products

Fluid Handling

Breather Vents

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

91 products

Pressure-Relief Valves

Protect equipment by opening at a set pressure and closing when the pressure drops; for repeated use

23 products

Mufflers

Reduce noise and filter exhaust fumes

176 products

Sintered Filters

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

9 products

Exhaust Filter/Mufflers

Purify exhaust and muffle noise from oil-free high-vacuum pumps

3 products

Air Vent Valves

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

7 products

Heating, Ventilation, and Air Conditioning

Louvers

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

11 products

Air Diverters

Guide air toward your workspace or deflect unwanted drafts

9 products

Duct and Fittings

Circulate air through HVAC systems using round, rectangular, and fabric duct

11 products

Diffusers

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

2 products

Duct Blast Gates

Slide open and closed to control flow of air and material

9 products

Duct Airflow Dampers

Regulate airflow to sections of duct

10 products

Exhaust Fans

Draw stagnant and humid air out of a room or area

27 products

Forced-Air Ventilation Fans

Force fresh air into a space to improve air quality and manage temperature and moisture levels

3 products

Electrical Power, Networking, and Controlling

Electrical Enclosure Vents

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

5 products

Electrical Enclosure Drains

Release moisture to keep components dry

2 products

Cord Grips

Securely connect cords to enclosures while sealing out dirt and moisture

14 products

Electrical Enclosure Drain Vents

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

1 product

Facility and Grounds Maintenance

Tarp Vents

Prevent mildew, odor, and heat buildup under canvas tarps

1 product

Air Admittance Valves

Allow air into drain, waste, and vent systems so you don't have to vent plumbing to the outdoors

2 products

Containers, Storage, and Furniture

Drum Vents

Prevent drum failure by releasing pressure and vacuum buildup

2 products