These are basic compressor packages that come standard with a basic flat frame, drive motor, oil and water separator, purifier, manual condensate drain valves, 1 x fill hose and final stage pressure relief valve and gauge. These models DO NOT include any electrical controls, interstage pressure gauges or auto drain system. Starting and stopping the compressor, draining the separators and monitoring oil pressure and air temperature are left to the customer. Please see the Compressor Upgrade Options section to add available options. Jordair's standard aluminum alloy filtration systems are all rated for 6500 PSIG* service and include an oil and water separator, check valve, purifier, pressure maintaining valve, manual drain valve and auto drain cycle counter.