MRCOOL MC16-3858 24K BTU Mini Split Flared Line Set is a 16-foot refrigerant line set designed for compatible 24K BTU ductless mini-split HVAC systems. It features 3/8-inch and 5/8-inch copper lines with flared connections that link the indoor air handler to the outdoor condenser, allowing efficient refrigerant circulation during heating and cooling operation. Designed for compatible ... https://www.partshnc.com/mrcool-mc16-3858