Description: Used to connect with polyethylene, nylon and PU / PA / PE / PVC tubing. Simple push in design for connecting to the tube and provide secure connection, requires no extra sealing. Equipped with a convenient one touch release button that provides a easy and quick tubing connections without special tools Fluid Type: Air/Vacuum/Water Working Pressure: 0-1MPa; Working Temperature:0-60 °C Specification: Tube Diameter: 16mm Size: Approx.55*53mm/2.17*2.09 inch Material: Plastic Color: Black Package Includes: 5 Pieces Connectors