The MRCOOL DUCT-09HP-230 Olympus 9K BTU 3/4 Ton Multi-Zone Ductless Mini Split Air Handler is an indoor HVAC unit designed for use with compatible MRCOOL multi-zone mini-split systems. It works by receiving conditioned refrigerant from the outdoor condenser and distributing heated or cooled air throughout the space for precise temperature control. Ideal for residential and light comme... https://www.partshnc.com/mrcool-olympus-multi-zone-ductless-mini-split-air-handler-duct-09hp-230