.170 ID x 1/4" OD Master Plumber Polyethylene Tubing. Natural Non-Toxic FDA Grade, Economical and lightweight, used for pneumatic control lines and liquids in industrial applications. Also use for water and water softener lines. Resistant to many solvents, acids, alkalis, and gases. Excellent choice for use with Ice Makers. Translucent Milky White Color, Suitable for use with air and water lines, Use as pneumatic control line, For use with compression style fittings, Temperature Range Minus 40 to 150 Degrees Fahrenheit. Working pressure 140psi at 70 degrees Fahrenheit. Master Plumber Dispenser Box Carton contains 100 feet of tubing. Tubing is marked every foot for easy measuring and cutting. Made in North America.