The MRCOOL A-09-HP-WMAH-115D-O Advantage 5th Gen 9K BTU Mini-Split Air Handler is an indoor HVAC unit designed for use with compatible MRCOOL ductless mini-split heat pump condensers. It works by receiving conditioned refrigerant from the outdoor unit and distributing heated or cooled air directly into the living space for precise temperature control. Ideal for bedrooms, offices, and ... https://www.partshnc.com/mrcool-advantage-5th-gen-9k-btu-air-handler-a-09-hp-wmah-115d-o