UDP 3/8 in. I.D. x 1/2 in. O.D. x 100 ft. Clear Vinyl Tubing with Dispenser Box T10004008 - The Home Depot
PVC Clear Vinyl Tubing 1 inch ID x 1-3/16 inch OD, 1 Meter/3.3ft - Walmart.com
Clear Vinyl Tubing 1/2in - Leyland SDM
Clear Vinyl Brewery Tubing - Cut and Couple
Buy 5ft x 1 Dia Clear Vinyl Tubing, Flexible Hybrid PVC Tubing Hose, Lightweight Plastic Tube UV Chemical Resistant Vinyl Hose, BPA Free and Non Toxic Online in Japan. B07ZBYCW88