Enhance your irrigation system or replace a damaged part with this Orbit Drip-Lock coupling. The irrigation system coupling is made of tough, UV-resistant ABS that can stand up to season after season of regular use. It features a unique release tab that makes it easy to remove and insert, for efficient installation and maintenance. The coupling works with the most common sizes of 1/2-inch drip tubing. It is designed for outdoor irrigation use with cold water only.