This tubing meets the standards for FDA, has a length of 100 feet, a maximum operating pressure of 150 psi @ 75 Degrees F and is designed for the following applications: air, lubricant, water. It is white, has an operating temperature of -50 Degrees F to 140 Degrees F, is made of LLDPE. In addition, it has 6 mm outside diameter, 4 mm inside diameter, with a metric system of measurement, with 1 mm wall thickness, and Shore A 98 hardness. This tubing is for use with gas.