Streamline Standard and Mini-split Line Sets have been an industry leader for decades. We leverage our many years of experience and expertise producing copper tube in every line set we make. From liquid line and suction line handling to unique insulations applications and packaging, every Streamline Standard and Mini-split Line Set meets our rigorous standards for quality and consistency. With a broad offering of liquid line and suction line diameters, insulation, thicknesses, custom ends and connections - plus a wide array of custom options, we're able to meet our customers most specialized and exacting needs.