Operating Pressure: 0- 150 PSI Fluid Type: Air Straight Push Connectors 12mm To 10mm Quick Release Pneumatic Connector Plastic Union Tube Fitting Grey 2pcs John Guest 12mm Fittings 12mm Plastic Push In Fitting | 12mm Union Straight | Pneumatic 12mm Straight Union Fitting 12mm union straight push to connect fitting is widely used to connect two tube of same 12mm diameter in tubing systems. The stainless steel lock claw inside design ensures superior clamping with various types of tubing. Oval shape release sleeve and round shape release sleeve can be selection. Multiple color release buttons are available Designed for Polyurethane or Nylon tubing Quick and Reliable connections Find Push-to-Connect Push-to-Connect Fitting: Straight Union, 12.00 mm OD at MSC Industrial Supply, serving the metalworking, safety, and MRO industries for over 75 years Type: Straight Union Same Diameter