Amazon.com: Leakproof Hose Fittings DN20 Straight Tee Elbow PE Connector End Plug 20mm To 1/2" Male/female Threaded Pipe Connector Garden Irrigation Adapter (Color : Red) : Industrial & Scientific
eoere 8 Sets 4 Way Structural Pipe Connector, Metal Clamp Fittings, Fit for 1"(O.D. 25.4 mm) Stainless Steel Pipe (Doesn't fit US 1" Electrical-Metallic Tubing) - Amazon.com
eoere 10 Sets 1" x 1" x 1" O.D. 90 Degree Structural Pipe Connector 3 Way Metal Joint Chain Link Fence Clamp, Stainless Steel 201 Corner Fitting End Rails Clamps, Thickness 1.8mm - Amazon.com
2~15PCS 16mm White PVC Pipe Fittings Straight Elbow Solid Equal Tee Connectors Irrigation Water Parts PVC Water Pipe Fittings - AliExpress
Types of Pipe Fittings - The Home Depot
Water pipe connectors Royalty Free Vector Image
1/4'' Stainless Steel Pipe Fittings Connector
Standard T Connector | T Pipe Fitting | Maker Pipe