Master Plumber, 3/8" ID x 1/2" OD x 100', Polyethylene Tubing, Natural Non-Toxic FDA Grade, Economical & Lightweight, Used For Pneumatic Control Lines & Liquids In Industrial Applications, Also Use For Water & Water Softener Lines, Resistant To Many Solvents, Acids, Alkalis, & Gases, Excellent Choice For Use With Ice Makers, Translucent Milky White Color, , For Use With Compression Style Fittings, Temperature Range Minus 40 To 150 Degrees Fahrenheit, Working Pressure 100 PSI At 70 Degrees Fahrenheit, Tubing Is Marked Every Foot For Easy Measuring & Cutting, Dispenser Box.