Streamline 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 insulation applications and packaging, every Streamline 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.3/8 in. liquid line x 7/8 in. suction line x 3/8 in. insulation x 50 ft. LCopper tube UL recognized to 700 psiR410A engineered and testedProprietary manufacturing process allows for kink-free installationMeets ASTM B1003