Amazon.com: Silicone Tube 1/8"(3mm) ID x 3/16"(5mm) OD Clear Flexible Silicone Rubber Tubing Water Air Hose Pipe Transparent (3.3ft / 1m;3 x 5mm) : Industrial & Scientific
Amazon.com: Acrylic Rigid Round Tube, Clear, 3-1/2" ID 3-3/4" OD x 12" Length : Industrial & Scientific
24 Pcs 50ml Flat-Bottomed Transparent Test Tube with Aluminum Screw Caps,Non-breakable Clear Plastic Organizer with Leak-Proof Lids,Plastic Storage Tubes for Candy,Bath Salt,Granules and Liquids: Amazon.com: Industrial & Scientific
Amazon.com: Source One Deluxe Clear Acrylic Tube 3 Inches Thick (24 Inch, 3 Inch Wide) : Office Products
Amazon.com: ANPTGHT Silicone Tubing 12mm (1/2") ID x 16mm OD Food Grade High-temperature Pure Silicone Hose Tube Clear Pipe for Home Brewing Air and Liquid Transfer (Length 3 Meter- 9.84FT) : Industrial
Amazon.com: Polycarbonate Rigid Round Tube, Clear, 1-3/4" ID x 2" OD x 12" L (Pack of 2) : Industrial & Scientific
Amazon.com: DMiotech 22mm ID 25mm OD Clear PVC Tube Flexible Transparent Hose Vinyl Tubing for Garden Water Tube,Air Tube Oil Tube,1m Length : Industrial & Scientific