... fittings for plastic tubes, banjo pneumatic fittings, etc.Push-Lock FittingsTube OD: 04, 05, 06, 08, 10, 12 ... be very convenient to insert the tube and pull out without any tools. The fitting with safety sealing, ... addition, these pipe fittings meets repeated insertion and pull-out requirement. When it gets older along with the timed ... application if corrosive environment SP series. Push-Lock Fittings