The MRCOOL DIY50-1438C-O is a 50-foot, pre-charged mini-split line set with Pro Cable, featuring 1/4-inch and 3/8-inch copper lines for efficient refrigerant circulation. Designed for MRCOOL DIY ductless mini-split systems using R-454B refrigerant, it connects the indoor air handler to the outdoor condenser to support effective heating and cooling. Compatible with 6,000, 9,000, and 12,000 BTU equipment, its extended length provides flexible installation options for various layouts. The pre-charged design simplifies installation, reduces preparation time, and supports convenient, reliable HVAC system setup for DIY or professional applications.
