This air hose meets the standards for RMA Class B, has a length of 100 feet, a maximum operating pressure of 300 psi @ 70 Degrees F and is orange, has an operating temperature of -40 Degrees to 158 Degrees F and is made of TPE. In addition, it has 13/16 inch outside diameter and ½ inch inside diameter. This air hose is for use on air, bleach, calcium chloride, ethanol, ethylene glycol, glycerin, heptane, hexane, hydrogen peroxide, isopropanol, methanol, and more.