Amazon.com: uxcell Clear Rigid PVC Pipe 25/32"(20mm) ID x 13/16"(21mm) x 1.6ft Round Tube Tubing : Industrial & Scientific
Amazon.com: HydroMaxx 25 Feet x 3 Inch Black Flexible PVC Pipe, Hose and Tubing for Koi Ponds, Irrigation and Water Gardens. Includes Free 4oz Can of Hot Blue PVC Gorilla Glue! :