... pump, colder, the second filter, regulator, relax valve for high pressure, exhaust valve for water, dryer, pipeline, electronic parts and so on.The ... pump, colder, the second filter, regulator, relax valve for high pressure, exhaust valve for water, dryer, pipeline, electronic parts and so on.The ... output gas is stable, secure, and permanent ect. Air Compressor for Gas Providing Marked with CE and ISO