​Streamline® Service Coils, ACR/Nitrogenized straight-length or line set copper tube for use in refrigeration applications. Available sizes ranging from 1/8” to 8-1/8” in outside diameter Streamline® Nitrogenized® ACR Copper Tube is pressurized with nitrogen to provide maximum protection against the formation of harmful oxides normally formed during brazing operations. Reduction of these oxides greatly reduces system contamination. Streamline® Refrigeration Service Tube is of a consistent dead soft temper, bright, thoroughly dried/dehydrated and packed in shrink wrapping plus individual cartons for the highest level of protection.