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Air Breathers



The Air Sentry Guardian is the gold standard for contamination control breathers. Features check valves, Tritan construction, replaceable cartridges, stackable cartridges, optional gauge, and optional isolation check valve.

  • Can be configured for most applications
d series

D-Series - Disposable and Stationary

Air Sentry D-Series breathers feature numerous models in a variety of sizes, designed to satisfy the requirements of most stationary fluid management applications.

  • Storage Tanks
  • Fluid Reservoirs
  • Transformers
  • Pumps
  • Gearboxes
L series

L-Series - In-Line Low Airflow

In-Line Low Airflow Applications.
Air Sentry® In-Line Filter / Dryers remove water vapor and solid contaminants from air exhaust lines, low pressure compressed air lines, vacuum lines, and other in-line airflow applications where clean, dry air is required.

  • Air Exhaust Lines
  • Vacuum Lines
  • Low Pressure Compressed Air Lines
  • Marine Vehicles
m series

M-Series - Heavy Duty

Air Sentry M-Series breathers are designed from heavy-duty materials capable of handling the requirements of the most severe environments.

  • Heavy Duty Off-Road Equipment
  • Mobile Heavy Equipment
  • High Temperatures
  • Corrosive Chemicals
r series

R-Series - High Vibration

Air Sentry R-Series breathers are ideal for these high vibration, mobile applications, including off-road, construction and farm vehicles.

  • Cranes
  • Railroad Maintenance of Way Equipment
  • Farm Implements
  • Construction Vehicles
  • Off-Road Trucks
x series

X-Series - High Humidity and Dust

Air Sentry X-Series Breathers are the perfect solution for high humidity and high dust environments.

  • Paper Mills
  • Wash-Down Areas
  • Steam Cleaning Rooms
  • Mine Quarries
xr series

XR-Series - Extreme Environment

Air Sentry XR-Series breathers, originally conceived for the wind power industry, are designed to perform in any extreme environment where protection from dust, moisture and vibration are critical.

  • Windmills and Wind Power Generation
  • Mining Equipment
  • Mobile Equipment
z series

Z-Series - Limited Space

Air Sentry Z-Series is designed for applications where space is limited or air flow requirements are below 5 cfm.

  • Gearboxes
  • Drums
  • Totes
  • Small Oil Containers
  • Oil Safe brand Oil Storage Systems

Breather Adapters

Adapters for easy installation


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Items 1-10 of 27

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    Image Name SKU Options Description Price Qty Action
    Pressure Vacuum Adapter Kit with 1" NPT Learn More
    Pressure Vacuum Adapter Kit with 1" Slip Fit Learn More
    A630 A630 AIR SENTRY : A630
    Manifold Kit 1" NPT Learn More
    A408 A408 AIR SENTRY : A408
    Adapter, 1/2" MNPT x 1" MNPT Learn More
    A407 A407 AIR SENTRY : A407
    Adapter, 1/2" MNPT x 3/4" FNPT Learn More
    A406 A406 AIR SENTRY : A406
    Adapter, 1/2" MNPT x 3/4" MNPT Learn More
    A405 A405 AIR SENTRY : A405
    Adapter, 1/2" MNPT x 1/2" MNPT Learn More
    A404 A404 AIR SENTRY : A404
    Adapter, 1/2" MNPT x 3/8" FNPT Learn More
    A403 A403 AIR SENTRY : A403
    Adapter, 1/2" MNPT x 3/8" MNPT Learn More
    A402 A402 AIR SENTRY : A402
    Adapter, 1/2" MNPT x 1/4" FNPT Learn More
View as Grid List Table

Items 1-10 of 27

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