Festo CQ-1/2-18H Push-in Fitting - 177709 Push-In Fitting Cq-1/2-18H for High Flow Rates. Nominal Size=12, 7 Mm, Type of Seal On Screw-In Stud=Sealing Ring, Assembly Position=Any, Container Size=1, Design Structure=Push/Pull Principle, Festo GBP 9.99 1