If you are looking for a professional and fitting, then your research is over here. That's because our product can meet your need. Adopted of , it is practical and for long time use. It is not easy to get deformed and bring you much convenience. Features -Color: Black, Blue -Material: ABS -Size: 5.00X2.40X2.40cm/1.97X0.94X0.94in Fluid: clean compressed air, vacuum Max working pressure: 1.32Mpa (13.5kgf/cm2) Pressure range: Normal: 0~0.0Mpa(0~9.2kgf/cm2), Low pressure: -99.99~0(-750~0mmHg) Environment and fluid temperature: 0~60 Celsius degree Hose: PU tube, nylon tube (not included) - Made of premium ABS. High pressure resistance, can withstand strong pressure without tripping. Great for long term use. - connector, one end is connected to 12mm outer diameter , and the other end is connected to 16mm outer diameter . - Ease of use: Simple push-in design, to the tube, providing a secure connection without additional sealing. - Quick connect fittings are easy to install, flexible and space saving, 360 degree rotation, and the release ring adopts for easy disassembly. - It is characterized by a sturdy and reliable texture, not easy to break, serving you for a long time. Package list: 10 x Fittings