1pcs PVC Tradesen 16mm/20mm plastic Y-Shaped three-way Fork Water pipe Y Tee Connector Aquarium Connector UPVC Pipe Adapter - AliExpress
Source Ware Sanitary PVC Y Shape Joint 1'' Plastic Water Pipe Fittings on m.alibaba.com
1.26" PVC Pipe Fittings 3 Way Y Shape Water Joint Connectors Adapters - White - On Sale - Bed Bath & Beyond - 36327160
6" 45-Degree PVC Sewer and Drain Wye at Menards®
Charlotte Pipe 1-1/2 in. DWV PVC Wye Fitting PVC006000800HD - The Home Depot
Amazon.com: 2pcs PVC Pipe Y-Type Connector PVC 3 Way Joints Water Pipe Tee Connectors Aquarium Fish Tank Water Supply Pipe Fittings - (Color: White, Size: I.D 40mm) : Pet Supplies
Y Connector - Kraloy Fittings
Charlotte Pipe 2-in PVC DWV Wye in the PVC DWV Pipe & Fittings department at Lowes.com
Charlotte Pipe 6-in PVC DWV Wye in the PVC DWV Pipe & Fittings department at Lowes.com
Schedule 40, 3 in x 3 in x 3 in Fitting Pipe Size, Wye - 1WJU3|1WJU3 - Grainger
NIBCO 6 in. PVC DWV All Hub Wye C4810HD6 - The Home Depot