Copper Tube, Application Air Conditioning, Refrigeration, Cleaned and Capped Yes, Copper Tube Size 4 1/8 in, Copper Tube Type ACR, Fabrication Seamless, Inside Diameter 3.875 in, Material Copper, Material Grade C12200, Maximum Operating Pressure 400 psi @ 150 Degrees F, Maximum Operating Temperature 400 Degrees F, Outside Diameter 4 1/8 in, Overall Length 10 ft, Resistance Properties Corrosion Resistant, Standards ASTM B280, UL Listed, UNS C12200, Stripe Color Blue, Temper Hard