Polyethylene Convoluted Tubing. This Polyethylene Slit Conduit Can Operate Safely in a Range from -40 to 300 Degrees Fahrenheit. Commonly called Split Loom, Slit Conduit, Corrugated Tubing, Flex Tubing and Wire Loom. Organize, cover and protect all cords and wires. Perfect for use with electrical wiring in trucks, cars, boats & construction. Also great for use with home entertainment systems, video games & home and office PC's