Features: * Cleaned and sealed for liquid fed applications such as air conditioning, ice makers, humidifiers, and refrigeration systems * Adhere to local plumbing codes for installation/usage * 50-foot coil * 5/16 in. O.D. What"s In The Box: * Cardel REF-5/16 Refrigeration Copper Tubing Soft Coil - 5/16-In. X 50-Ft.