The MRCOOL MC16-1412 Mini Split Line Set is a high-quality refrigerant line set designed to connect compatible 12,000–18,000 BTU mini split air conditioning and heat pump systems. Featuring 1/4" and 1/2" copper lines, it provides a secure pathway for refrigerant to flow efficiently between the indoor air handler and outdoor condenser. Built for reliable performance, it helps maintain ... https://www.partshnc.com/mrcool-mini-split-line-set-mc16-1412