Tubing Material: TeflonTubing Type: FEP/Fluorinated Ethylene PropyleneTubing Color: ClearInside Diameter: .5" or 1/2"Outside Diameter: .625" or 5/8"Wall Thickness: .062"Length: VariousMax Pressure: 680 PSI at 72°FOperating Temp. Range: -328°F to 400°FTensile Strength: 3000 PSI