10-Pack | Rain Bird XF Tee Male Adapter 17mm x 17mm x 1/2 inch MPT - XFFTMA050
XF Tee Male Adapter - 17mm x 17 mm x 1/2 in. Drip Irrigation Connectors - Poly Pipe x Male. High quality barbs grab tubing for a secure fit. Unique barb design to reduce insertion force and still retain a secure fit.