Amazon.com: MasBros Tumblers and Cups Universal Adapter for PVC Pipe with Inside Diameter 12mm to 13mm 0.47 inch to 0.5 inch for Cup Turner (PVC Pipe Inside Diameter 12mm to 13mm) :
RS PRO | RS PRO Hose Pipe, PVC, 10mm ID, 13mm OD, Clear, 25m | 914-5506 | RS Components
15mm Pvc Pipe - Best Price in Singapore - Jul 2023 | Lazada.sg
Uxcell PVC Rigid Round Clear Tubing 1/2-inch OD x 1.6ft - Walmart.com
11mm Aluminum Tube Hollow Pipe 12mm 13mm 14mm 15mm Custom Color Red Blue Pink Yellow - Pipes - AliExpress
13 mm White Flexible PVC Tube
Charlotte Pipe 1-in Schedule 80 PVC Tee in the PVC Pipe & Fittings department at Lowes.com
3A & FDA PVC Tubing - 9mm ID x 13mm OD x 25 ft. Long
uxcell PVC Hose Tube, 10mm(0.39") ID x 13mm(0.51") OD 1.5m/4.9ft Clear Vinyl Tubing, Plastic Flexible Water Pipe - Amazon.com
Amazon.com: uxcell PVC Clear Vinyl Tubing, 10mm(3/8") ID 13mm(1/2") OD 10ft Plastic Pipe Air Water Hose with Clamps : Pet Supplies
Uxcell PVC Clear Vinyl Tubing, 13mm(1/2-inch) ID 18mm OD 8ft Plastic Pipe Air Water Hose _ - AliExpress Mobile