AIR SENTRY offers a range of products, such as air vents, suitable for any application. Capable of removing both solid and liquid contamination, thanks to the double particle and absorbent filter stage.

The innovative GUARDIAN line features inlet valves that let air in only when required, absorption activity only on the amount of air actually required.

The back flow valve prevents resin contamination by air vapours. These two devices result in longer service life with the same silica gel content. The GUARDIAN also has a clearly visible optical clogging indicator.


  • Oil-filled transformers
  • Wind turbine lubrication chambers
  • Hydraulic presses
  • Hydraulic tanks and Lubrication
  • Bearing support vents
  • Oil and/or fuel storage tank
  • Oil drums
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