Amazon.com: 1pcs 25mm Outer Diameter PVC Tube Blue Pipe Hard Duct Hollow Vessel Through Pass Column 100/150/200/300/400/500mm Long - (Specification: 25mmx2.0mm, Length: 300mm) : Industrial & Scientific
Amazon.com: VictorsHome 6063 Aluminum Round Tube, 19mm OD 1mm Wall Thickness 300mm Length Metal Seamless Straight Pipe Tubing for DIY Crafts Model 2pcs : Industrial & Scientific
Amazon.com: uxcell 6063 Aluminum Tube, 3mm 4mm 5mm OD x 2mm Inner Dia 300mm Length Seamless Round Pipe Tubing, Pack of 3 : Industrial & Scientific
Amazon.com: Plastic Syringe with Tube – 500ml / 550ml Extra Large Syringe with Tubing and Tip Adapter – Safe and Individually Sealed - Ideal for Industrial Use, Science Labs, Watering, Glue Dispensing,Horse
Amazon.co.jp: uxcell PVC Rigid Pipe, PVC Hard Pipe, Rigid Pipe, Round, 1.8 inches (45.2 mm), ID 2.0 inches (50 mm), White, For Water Pipes, Cable Sleeves, Pack of 3 : Industrial & Scientific
Amazon.com: uxcell Silicone Tubing, 1/2"(12mm) ID x 11/16"(18mm) OD 3.3ft Silicone Rubber Tube Air Hose Water Pipe for Pump Transfer Black : Industrial & Scientific
Amazon.co.jp: Pneumm Tube, PVC Tube, 0.8 x 0.6 x 11.8 inches (2.04 x 1.50 x 300 mm) (Pack of 5) : DIY, Tools & Garden
Amazon.com: letsFix 3/4" PVC Pipe, DIY PVC Projects for the Home, Garden, Greenhouse, Farm and Workshop, Sch. 40 Furniture Grade, White [40" x 10 Pack] : Patio, Lawn & Garden