9mm ID X 12mm OD 2 Metres Clear PVC Flexible Tubing Food Grade Water Pipe Aquarium Pump Plastic Hose : Amazon.co.uk: DIY & Tools
Amazon.com: (2) Pieces - 12mm x 8mm x 1000mm Carbon Fiber Tube - Pultruded Round Tube. Super High Strength for RC Hobbies, Drones, Special Projects : Industrial & Scientific
Amazon.com: MECCANIXITY PVC Rigid Round Pipe 20mm ID 25mm OD 500mm Transparent High Transparency for Water Pipe, Crafts, Display Racks, Decoration : Industrial & Scientific
Amazon.com: uxcell PVC Tubing 1/2"(12mm) ID x 5/8"(16mm) OD 1m Flexible PVC Tube Air Hose Pipe for Pump Transfer Clear : Industrial & Scientific
Solid Plastic PVC Tube / Pipe (White) - 12mm x 1.2mm x 1m : Amazon.co.uk: DIY & Tools
PVC Clear Vinly Tubing,12mm x 16mm 8 Meter/,Plastic Flexible Hose Tube,Flex Pipe for Water,Beverage Pump : Amazon.in: Home & Kitchen
Amazon.com: uxcell Silicone Tube 12mm ID X 16mm OD 1.64' Flexible Silicone Rubber Tubing Water Air Hose Pipe Translucent for Pump Transfer : Industrial & Scientific
Amazon.com: MECCANIXITY PVC Rigid Round Pipe 12mm ID 16mm OD 200mm Clear High Transparency for Water Pipe, Aquarium, Fish Tank : Industrial & Scientific