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Desiccant 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