Tubing, Application Natural Gas, Propane, Coating Color Yellow, Copper Tube Size 1/4 in, Copper Tube Type ACR, Fabrication Seamless, Inside Diameter 0.311 in, Material Copper, Material Grade C12200, Maximum Operating Pressure 787 psi @ 200 Degrees F, Maximum Operating Temperature 400 Degrees F, Outside Diameter 3/8 in, Overall Length 50 ft, Standards ASTM B280, UNS C12200, Temper Soft, Tube Form Coil, Wall Thickness 0.032 in