Amazon.com : BluSoak 10 Pack - 5/8" (17mm) Drip Tape Tee Fitting - Works Great with and is Compatible with Irretec P1 Ultra, Rivulis T-Tape, Aqua- Traxx, Irritec, Chapin, and 5/8 inch Netafim
Amazon.com: Moowhsh Drip Tape Coupler Fitting [20 Pack] - 5/8" (17mm) Hose Union - Works Great with and is Compatible with Irretec P1 Ultra, Rivulis T-Tape, Aqua-Traxx, Irritec, Chapin, and 5/8 inch