Quick connector CK-3/8-PK-9-KU Male thread with sealing rim, polymer design. Nominal size=8 mm, Type of seal on screw-in stud=Sealing edge, Assembly position=Any, Operating pressure complete temperature range=0 - 10 bar, Operating medium=(* Compressed air in accordance with ISO8573-1:2010 [7:-:-], * Water as per manufacturer s declaration at www.festo.com)