The MRCOOL DIY35-1412C-O DIY 5th Gen Pre-Charged 35 Ft Mini Split Line Set is a refrigerant line connection designed for compatible MRCOOL DIY 5th Gen 9K, 12K, and 18K BTU ductless mini-split HVAC systems. Pre-charged with refrigerant, it allows a faster installation without the need for vacuuming or specialized charging equipment. The line set efficiently transfers refrigerant betwee... https://www.partshnc.com/mrcool-accessory-5th-gen-pre-charged-mini-split-line-set-35ft-diy35-1412c-o