Small Parts - TPC-063/10-24 -TPC-063/10 Polycarbonate Tubing, 1/2" ID x 5/8" OD x 1/16" Wall, Clear Color 24" L: Industrial Plastic Tubing: Amazon.com: Industrial & Scientific
Clear Vinyl Tubing Flexible PVC Hose 1.5mm ID 2mm OD 10ft Plastic Tube | eBay
Amazon.com: 10 Feet - 1/4" ID x 3/8" OD Clear Vinyl Tubing, Translucent Plastic PVC Tubing Hose Pipe for Water Air Pump : Musical Instruments