FORMUFIT 1" 3-Way PVC Elbow Furniture Grade Fitting in Black, 1.315" Actual ID, (Pack of 4), Made in USA, UV-Resistant, Impact-Proof, Easily Build 3-Point Corners with PVC Pipe - F0013WE-BK-4: Amazon.com: Industrial
GF Piping Systems PVC Pipe Fitting, Tee, Schedule 80, Gray, 1/2" NPT Female x Slip Socket: Industrial Pipe Fittings: Amazon.com: Industrial & Scientific
90 Degree Schedule 40 PVC SPIG x SLIP Street Elbow Fitting (1 1/4" Dia. (1 Pack)) - 409-012 - Amazon.com
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