Vevor Mini Split Line Set 100 ft. 1/4" and 3/8" OD Copper Tubing Insulated with Flared Nuts NewThis 100 ft mini split line set includes a 1 4 in liquid line and 3 8 in suction line made from 99. 9% pure C12200 copper for reliable, leak resistant routing. Thick wall copper construction is designed to resist kinking during bends for smoother installs through walls and tight spaces. The 3 8 in thick PE+EVA composite insulation helps reduce energy loss and limits condensation. Its compatible with standard 12,00018,000 BTU mini split systems and