Check the listing for details. 10 Pack Dura Irrigation Barbed Tee 1 1/2". Condition: New, Made in United States. Listed at 59.95 USD. The Barbed Tee (also known as an Insert Tee) is the standard solution for splitting a single irrigation line into two separate directions. Whether you are creating a grid layout for a garden bed or branching off a main header to feed multiple zones, this fitting ensures reliable water distribution throughout your system. It is one of the most fundamental irrigation fittings used in agricultural and residential drip systems. Manufactured from high-impact Schedule 40 PVC, these tees feature sharp, multi-ridged barbs on all three ends. This design allows for a tight friction fit inside Polyethylene tubing, which must be secured with hose clamps to handle high pressure without leaking. The grey PVC construction offers excellent resistance to UV rays and harsh weather conditions.