MECCANIXITY PVC Rigid Round Pipe 36mm ID 40mm OD 500mm White High Impact for Water Pipe, Crafts, Decoration, Cable Sleeve: Amazon.com: Industrial & Scientific
3 Inch Diameter Clear PVC Schedule 40 Pipe [Pipe ID 3.042 inch, OD 3.500 inch] (Bluish tint), Choose Your Length (5 inches to 8 feet) (Selected Length: 1 Foot)
25 Feet Fiberglass Cable Wire Running Rod Coaxial Electrical Connectable Fish Tape Pull Kit with Hook And Hole Kit In Transparent Tube - - Amazon.com
Amazon.com: MECCANIXITY PVC Rigid Round Pipe 12mm ID 16mm OD 200mm Clear High Transparency for Water Pipe, Aquarium, Fish Tank : Industrial & Scientific
Amazon.com: MECCANIXITY Acrylic Pipe Rigid Round Tube Clear 12mm ID 16mm OD 305mm(12") for Lamps and Lanterns,Water Cooling System : Industrial & Scientific