¡ïQuick installation.simple and fiexible.spacesaving. ¡ïThe tube fitting comes in a wide variety of models to meet all your needs in pneumatic piping. ¡ïEven after installation, the direction of tubing can be changed freely. ¡ïThe release ring adopts the ellipse design to make it more convnient and laborsaving for disconnection. ¡ïAll taper pipe threads are pre-coated with Teflon with fine seat performance.