Suneed irrigation fittings: The 1/2" drip irrigation tubing fittings served for connecting, distributing water, making a turn, and controlling the end ; Jump start your drip irrigation system installation with this set of essential components for building a maintenance-free drip system. Compatible with many types of Rainbird, Orbit, Dig and Toro tubing as well as generic 1/2" blank tubing or drip lines. <br/>To install the fittings on your 1/2 inch drip tubing, push the tubing very firmly over the barbed side of the connector, tee, or elbow for a very tight fit that won't leak. <br/>If you wish to soften the tubing before installing the fitting, let the tubing rest in the hot sun or briefly apply a hot water or a blow dryer to the tubing end before inserting the fitting. <br/>If your system runs at pressures higher than 25 PSI, you may want to use ratchet clamps to secure the tube on the fitting