The MRCOOL DIY35-1438C-O DIY 5th Gen 6K, 9K & 12K BTU Pre-Charged 35 Ft 1/4 x 3/8 Mini-Split Line Set is a factory-prepared refrigerant piping assembly designed for compatible MRCOOL DIY ductless systems. It provides a sealed pathway for refrigerant to circulate between the outdoor condenser and indoor air handler, supporting efficient heating and cooling. Its pre-charged design simpl... https://www.partshnc.com/mrcoolaccessory-5th-gen-pre-charged-mini-split-line-set-diy35-1438c-o