Quick Coupling Plug Ks3-1/8-A-R with Non-Return Valve for Self-Closing Quick Coupling Connectors On Both Sides Nominal Size=4, 2 Mm, Operating Pressure Complete Temperature Range=-0, 95 - 12 bar, Operating Medium=Compressed Air In Accordance with Iso8573-1:2010 (7:-:-), Note On Operating and Pilot Medium=Lubricated Operation Possible, Corrosion Resistance Classification Crc=1 - Low Corrosion Stress