Rain Bird BC25/10PS Drip Irrigation Universal 1/4" Barbed Coupling Fitting, Fits All Sizes of 1/4" Drip Tubing, 10-Pack. This barbed coupling fitting quickly connects two pieces of 1/4" Drip irrigation tubing in a straight line, 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 and natural color blends with all earth tones. 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: ET/1PK25S, HPUN1-1S, HPTCX, (sold separately) for faster installation in larger projects. Designed for working pressure of 0-50 psi. Couplings come in a convenient re-sealable zip-lock bag for organization and ease of identification. ** Sold separately in 30-pack as model number BC25-30PS. Rain Bird “The Intelligent Use of Water”