Barbed Y-connector Y-PK-4 For plastic tubing PAN, PUN, PL, PP, PU. Nominal size=3,4 mm, Operating medium=Compressed Air in accordance with ISO8573-1:2010 [7:-:-], Note on operating and pilot medium=Lubricated operation possible (subsequently required for further operation), Pneumatic Connection=PK-4, Materials note=Conforms to RoHS