Abbott Rubber 1/2" IDx5/8" ODx100' White Polyethylene Tubing. It is a natural non-toxic FDA grade tubing that is economical and lightweight. This translucent milky white tubing is suitable for use with air and water lines, as well as pneumatic control lines and compression style fittings. It has a temperature range of -40 to 150 degrees Fahrenheit and a working pressure of 85 psi at 70 degrees Fahrenheit. The tubing is marked every foot for easy measuring and cutting. Comes in a dispenser box.