Description This easy-to-push-on Coupling works with the most common sizes of 1/2 in. drip tubing. It features a unique release tab that allows for removal and reinsertion of tubing for convenient installation and maintenance.Specifications:Works with the most common sizes of 1/2 in. drip tubing (0.670- 0.710 O.D.).Made of durable, UV-resistant materials for years of dependable use.Unique release feature simplifies installation and maintenance.For outdoor use with cold water only.For irrigation applications only.Easy-to-push-on fitting.1/2 in. fitting.Convenient installation and maintenance.For use with drip irrigation.Removable fitting.