20mm Inner Diameter 6 Way PVC Tube Joint Pipe Fitting Coupler Adapter Water Connector For Garden Irrigation System - AliExpress
6-Star Standard Hub Geodesic Dome Connector for 1/2" PVC - Sonostarhub
6 Way Conduit Fitting, Easy to Connect Multifunctional PVC Conduit Connector 20mm Inner Diameter for Indoor and Outdoor Use (White): Amazon.com: Tools & Home Improvement