Please note: we have 5 sizes of this connector. Number 1 stands for dimension 4mm， number 2 is 6mm， number 3 is 8mm， number 4 is 10mm， number 5 is 12mm. Please select the one you need properly!!!<br /><br />Item specifics: <br /><br />The Valve pneumatic male straight connector push in fitting equipped with a convenient one touch release button that provides a easy and quick tubing connections with no special tools required<br /><br />    Type: Pneumatic<br />    MPN: Push Fittings <br />    Temperature: 0 to 60▲C <br />    Item: Fittings / Connector<br />    Fluid: Air - Water - Vacuum<br />    Pressure: 0-10 bar Maximum<br /><br />Package Included: <br />    1 X Pneumatic Y Union Connector