White PVC Connector Water Supply Pipe Fitting Multi-type For Tank Aquarium Pond | eBay
6.3mm Female Male PVC Connector Electrical Wiring Connector Insulated Crimp Terminal Spade Blue Yellow Red FDFD MDD2 - AliExpress
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
Orbit 1 in. PVC-Lock Coupling 38676 - The Home Depot