HZIndustrial · Air Sentry Europe
Clean, dry air for the equipment that keeps industry moving.
Air Sentry desiccant breathers help protect gearboxes, hydraulic reservoirs, storage tanks and other fluid systems from moisture and particle contamination.
Need help choosing a model? Contact us for application guidance and availability.
Every tank breathes. Air Sentry treats every breath.
Choose your protection level
Find the Air Sentry series that fits your application.
Start with the environment, airflow and maintenance requirements. Then select the connection, capacity and options that match your equipment.
Best · modular protection
Guardian Series
A configurable solution for most industrial reservoirs, with replacement cartridges and optional protection features.
View products →High humidity · high dust
X-Series
Designed for demanding environments where check valves and replaceable cartridges help extend service intervals.
View products →Focused, compact protection
D- and Z-Series
Disposable breather options for stationary systems or installations where space and simplicity matter.
View products →Built for real applications
One contamination-control principle. Many industrial systems.
Every reservoir breathes as temperature and fluid volume change. A correctly selected desiccant breather helps treat the air exchange instead of leaving the system open to humid, particle-laden air.
Explore the catalogueGearboxes
Keep moisture and particles out of lubricated gearboxes and drive systems.
Hydraulic reservoirs
Help protect hydraulic fluid during changing temperatures and fluid levels.
Storage tanks
Use clean, dry incoming air for oil and other compatible fluid reservoirs.
Power and process equipment
Select the right configuration for dust, humidity and wash-down conditions.
Ready to specify?
Get the right breather for your equipment.
Search by Air Sentry model or request access to the B2B catalogue for customer pricing.