This fitting is made with an easy one-touch, low force, push-to-connect fitting design from SMC, the world leader in pneumatic product design. Simple installation--push the tubing in, and the connection is complete. To release the tubing, press the circular release ring on the fitting, and you can easily pull the tube out. The compact design of this fitting allows easy installation in confined spaces. The swivel capability lets you re-position for the best access. Excellent quality including Buna-N o-rings and factory applied sealant ensure an air tight installation. Release collar allows easy removal of tubing without damaging the tube. Built-in sealant helps prevent leaks, and saves time, making installation easier. Can be used in both positive pressure and vacuum pressure environments from -15 (vacuum) to 150 psi. Stud allows rotation of the body for ease of installation in confined spaces. Can be used with air or water.