The MRCOOL MC16-1412 is a 16-foot copper refrigerant line set designed for 12,000 and 18,000 BTU ductless mini-split systems, including MRCOOL Olympus and Advantage Series equipment. It features a 1/4-inch liquid line and 1/2-inch suction line with flared fittings to provide secure connections between the indoor and outdoor units. The line set supports efficient refrigerant circulatio... https://www.partshnc.com/mrcool-mini-split-line-set-mc16-1412