Mueller Industries Copper Coated REF 1/2 OD x

This type r copper tubing has a polyethylene coating. It’s made for use with lp gas, natural gas, and fuel oil systems. This copper tubing: is continuously line-marked for clear identificationmeets code criteria where copper is approved for aboveground and belowground distribution linesis uv-rated to withstand the elementsall coils marked with: contentssizeastm specification numbersfootagefive-digit tracing number.