DERPIPE Clear Vinyl Tubing - 1/2" ID 5/8" OD PVC Tube Food Grade Flexible Plastic Pipe Hose for Homebrewing, Siphon Pump 3 Meters(10ft) Length: Amazon.com: Industrial & Scientific
MECCANIXITY PVC Rigid Round Pipe 33.5mm ID 40mm OD 0.3 m Clear High Transparency for Water Pipe, Aquarium, Fish Tank : Amazon.ca: Tools & Home Improvement