The MRCOOL DIY35-1412C-O DIY 5th Gen 9K, 12K & 18K BTU Pre-Charged 35 Ft 1/4 x 1/2 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 simp... https://www.partshnc.com/mrcool-accessory-5th-gen-pre-charged-mini-split-line-set-35ft-diy35-1412c-o