uxcell Black PVC Tube Wire Harness Tubing, 3/16-inch(4.5mm) ID 23ft Sleeve for Wire Sheathing Wire Protection: Amazon.com: Industrial & Scientific
MECCANIXITY PVC Rigid Round Pipe 45.2mm ID 50mm OD 350mm White High Impact for Water Pipe,Crafts,Cable Sleeve: Amazon.com: Tools & Home Improvement
Houseables Vinyl Tubing, Clear, 1/4" ID x 3/8" OD, 100 Ft, Food Grade Tube, PVC Plastic, Flexible Hose, Flex Pipe For Water, Beverage Pump, Homebrew, Wine Siphon, Brewing Bottling Wand
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1'' ID × 1-1/4'' OD - 50 ft Clear Plastic Vinyl Tubing, Flexible PVC Hose Lightweight Non-Toxic vinyl Tube for Transfer Water Air Oil: Amazon.com: Industrial & Scientific