UDP 3/8 in. I.D. x 1/2 in. O.D. x 10 ft. Clear Vinyl Tubing T10006008 - The Home Depot
Amazon.com: Sealproof Unreinforced PVC Food Grade Clear Vinyl Tubing, 100 FT, 1/4-Inch-ID x 3/8-Inch OD : Industrial & Scientific
EZ-FLO 3/8-in ID x 20-ft PVC Clear Vinyl Tubing in the Tubing & Hoses department at Lowes.com
UDP 3/8 in. I.D. x 5/8 in. O.D. x 100 ft. Clear Braided Vinyl Tubing with Dispenser Box T12004002 - The Home Depot
25 ft x 3/8" ID High Pressure Braided Clear Flexible PVC Tubing Heavy Duty UV Chemical Resistant Vinyl Hose - Walmart.com
Amazon.com: Watts XVJG 9/16-Inch OD by 3/8-Inch ID by 100-Feet Boxed Clear Vinyl Tubing : Industrial & Scientific
Amazon.com: 25 Feet - 3/8" ID 1/2" OD Clear Vinyl Tubing Food Grade Multipurpose Tube for Beer Line, Kegerator, Wine Making, Airline Tubing for Aquarium, Air Water Hose, Fuel Line by Proper
Amazon.com: Sealproof Unreinforced PVC 1/4-Inch-ID x 3/8-Inch OD Food Grade Clear Vinyl Tubing, 10 FT, : Industrial & Scientific