The Orbit Drip-Lock End Cap with the easy-to-push-on end works on the most common sizes of half inch drip tubing. Included is a unique release tab that allows for removal and reinsertion of tubing for convenient installation and maintenance. Use this fitting to close the end of half inch distribution tubing. Included is a removable end cap for winterizing or system flushing. This fitting is the ideal addition to the end of any drip system.