This low-pressure supplied-air hose is made of rubber and comes in red. It measures 1/2 inch inside diameter, 50 feet length, and has a capacity of 50/100 cubic feet per minute. The straight air hose has an operating pressure of 125 pounds per square inch and a 3/8" MPT industrial interchange fitting. It has an operating temperature of 110 degrees Fahrenheit and meets the NIOSH standard.