PREMIUM QUALITY：The barbed tee is made of high quality engineering PE material, it is durable and wear-resistant enough to use for a long time even you use it outdoors under the sun. NO LEAKAGE：These barbed tee connectors are designed with locks to keep the lock tight. The lock adds extra hold and seal to the tube and does not leak. EASY TO INSTALL：No glue, tools or accessories are required, very easy to handle, easily detachable from the pipe when needed. Press the barbed tee into the tube. Lock the tube with the screw cap. HIGH PERFORMANCE：The 3-way lock for drip irrigation has high stability, compact structure, strong and tight, high strength and low fluid resistance. A practical water pipe fittings connector. WIDE APPLICATIONS：Ideal for use with raised beds, residences, farms, urban green spaces, greenhouse gardens, vegetable greenhouses and agricultural watering applications.