The MRCOOL O-18-HP-WMAH-230C-O Olympus 18K BTU 4th Gen Ductless Mini-Split Wall Mounted Air Handler is an indoor HVAC unit designed to deliver efficient heating and cooling for residential and light commercial spaces. Used as part of a compatible ductless mini-split system, it works by distributing conditioned air evenly throughout the room while operating quietly and efficiently. Thi... https://www.partshnc.com/mrcool-olympus-4th-gen-air-handlers-o-18-hp-wmah-230c-o