Check the listing for details. Rigid Round Pipe 20mm ID 25mm OD 0.3 m Transparent High Transparency. Condition: New. Listed at 16.32 USD. What is this? rigid pipes are mainly in water pipes. The pipe is transparent, beautiful and has high visibility. When making a water pipe, it is convenient to clearly observe the flow of liquid in the pipe. The pipes are also widely used in DIY, display racks, lamps, cable sleeves, etc.What will I get?Round pipe, is in size of : 20mm/0.79-inch inner dia, 25mm/0.98-inch outer dia, 0.3 m/12-inch total lengthIn the package of: 1pcs x Rigid PipeIs there any advantages of the product? material, smooth surface and uniform pipe wall; High impact resistance and easy processing; With good electrical insulation, it can be used as cable sleeve to protect and tidy electrical wiresHow to use it?Steps of installation: 1.Prepare a pipe of an appropriate size; 2. Cut to the length you want; 3.