The MRCOOL DIY-18-HP-WMAH-230C25 DIY 4th Gen 18K BTU Ductless Mini-Split Air Handler is a wall-mounted indoor unit designed for compatible MRCOOL DIY 4th Gen ductless mini-split heat pump systems. It distributes conditioned air throughout the room by working with the outdoor condenser to provide efficient heating and cooling. Engineered for reliable performance, it delivers consistent... https://www.partshnc.com/mrcool-diy-4th-gen-wall-mount-air-handler-diy-18-hp-wmah-230c25