Package: 5 Pcs 8mm Pneumatic Ball Valve Straight Air Flow Control Valve. Dual Application: The pneumatic connector is used to connect polyethylene, nylon and PU tubes, air hoses and pneumatic tools, widely used in automatic equipment industries such as machinery, electronics, automobiles, packaging. Working Environment: 0-8 bar. Working temperature: 0-60C. Applicable tube: PU/Nylon/PE. Quality GoodsThese fittings are made of high quality materials, durable and no air leakage for long term use. Stainless steel locking claw and NBR O-ring are built-in, you will never worry about the tube falling off. High pressure resistance, can withstand strong pressure without tripping, so no need to trip. Easy to Intall No additional sealing is needed, just a simple push to connect to the tube and they are firmly connected. The elliptical release rings at both ends are more convenient to disassemble without additional tools. In addition, these fittings are flexible and space-saving, they can rotate freely 360 degrees. Note: The data are all measured manually, please allow an error of 1-3 cm. Due to differences in light and display, there may be some color differences, please refer to the actual item received.