Push-Lock Fittings, Quick Fittings 1:Application:Compressed Air,Fluid ... passed ISO9001:2000 quality management system certification. The product line of pneumatic fittings contain the metal push-in fittings ... pneumatic fittings for plastic tubes, banjo pneumatic fittings, etc.Push-Lock FittingsTube OD: 04, 05, 06, 08, 10, 12, ... suchas application if corrosive environment SP series. Push-Lock Fittings