Everbilt 1-7/8 in. O.D. x 1-1/2 in. I.D. x 24 in. Clear PVC Vinyl Tube HKP001-PVC017 - The Home Depot
Amazon.com: Duda Energy HPpvc150-001ft 1' x 1-1/2" ID High Pressure Braided Clear Flexible PVC Tubing Heavy Duty UV Chemical Resistant Vinyl Hose Water Oil : Industrial & Scientific
Amazon.com: uxcell PVC Clear Vinyl Tubing, 25mm(1 Inch) ID x 30mm OD 1m
Everbilt 1/2 in. O.D. x 3/8 in. I.D. x 10 ft. Clear PVC Vinyl Tube 702229 - The Home Depot
UDP T10004017 Clear Vinyl Tubing 1-1/2ID X 1-7/8OD X 25 ft Dispenser Box: Amazon.com: Industrial & Scientific