MRCOOL DIY50-3858C-O DIY 24K & 36K BTU Line Set with Pro Cable 50 ft is a refrigerant connection kit designed for compatible MRCOOL DIY mini-split systems. It works by providing sealed refrigerant lines for efficient circulation between the indoor air handler and outdoor condenser, while the integrated Pro Cable supports electrical communication. Designed for use with compatible 24K a... https://www.partshnc.com/mrcoolr-diy-line-set-diy50-3858c-o