The maximum working pressure of the air water separator is 1.0MPa / 145PS, and the maximum working temperature is 60 °C / 140 °F. Recommended oil: turbine oil class I, ISI VG32. The compressor water separator has a 1/2" water inlet and outlet, the filtration precision is 5μm, and the rated flow is 4000L/Min. The compressor air dryer internal baffle spins air to remove water, making bowl removal and filter replacement easy. Air water trap 1/2 is easy to install, suitable for various installation environments. A cost effective, clean looking solution to your filtration needs. Air filter compressor is made of high quality PC and aluminum alloy material, durable and sturdy, safe and eco-friendly to use.