Orbit 67400 1/4 Inch Drip Barbed Elbow for Drip Irrigation Tubing Would you like to control the water flow to plants or shrubs in your Micro Drip Now you can with the Barbed Shut-off Valve Simply insert the Barbed Valve into any type if 1/4 in. tubing and now you have control over water flow For use with 1/4-Inch distribution or soaker tubing Universal- works with most new or existing drip irrigation systems