MECCANIXITY PVC Rigid Round Pipe 26.5mm ID 32mm OD 350mm Dark Grey High Impact for Water Pipe,Crafts,Cable Sleeve: Amazon.com: Tools & Home Improvement
PVC Tube Cap Schedule 40 - 1" - - Amazon.com
Amazon.com: 1 Foot Long plastic plexiglass tubes, Clear acrylic PVC pipe transparent for 3 inch PVC fittings, 3 1/2 inch 89mm diameter tube, 1/10 inch thick tubing : Industrial & Scientific