New 1" High Flow Compressed air line Filter seperator/Particulate Filter. This filter removes liquid and debris from your compressed air line to extend the life of your tools and compressor accessories. 185 CFM Flow Rate 1" FPT Air Inlet port 1" FPT Air Outlet port 5 micron filter element. Wall mounting bracket included Sight Glass on Metal bowl to view your moisture level & Auto drain 250 PSI Max Input pressure Drain capacity 300ml Oil capacity 350ml Compressed air filters protect your equipment from dust, dirt, oil and water. Dust will wear down your equipment (like the air motor in grinders, pneumatic actuators and it can make pneumatic control valves get stuck. Especially when the dirt and dust is combined with oil (which is often the case with compressors), a sticky mess can form inside valves, motors and other compressed air equipment.