Air Venturi Dry Air Intake Filter for the AV 4500 psi Compressor by Hill Pump Fits Air Venturi Krypton, and Original Air Venturi Air Compressor, Electric, 4500 PSI/310 Bar, 110V and 220V Easy to install Removes potentially harmful moisture from air before it enters your compressor Uses two (2) Hill Dry-Pac media refills (included) Made in UK NOT compatible with Hill Compressors or portable compressors such as the Nomad Nano