This barbed Tee fitting quickly connects three pieces of 1/4" drip irrigation tubing in a "T" shape or taps into the side of 1/2" or larger Drip irrigation tubing. Accepts all sizes of 1/4" Drip tubing and provides a durable, leak-tight connection. Unique barb design reduces insertion force. To extend water flow to individual plants: connect 1/4" Drip tubing to one end and insert self-piercing barbed end into 1/2" diameter or larger Drip tubing. Constructed of highly durable UV and chemical-resistant materials to assure long life. May be used above or below ground. Simple to insert by hand or use one of Rain Bird’s insertion tools (sold separately) for faster installation in larger projects. Designed for working pressure of 0-50 PSI. Tees come in a convenient re-sealable zip-lock bag for organization and ease of identification. Rain Bird “The Intelligent Use of Water”.