The MRCOOL DIY-12-HP-WMAH-115C25 DIY 4th Gen 12K BTU Ductless Mini-Split Air Handler is an indoor unit designed for compatible MRCOOL DIY 4th Gen mini-split heat pump systems. It works with the outdoor condenser to circulate conditioned air, delivering efficient heating and cooling for individual rooms or zones. Featuring an evaporator coil and high-performance fan, it provides consis... https://www.partshnc.com/mrcool-diy-4th-gen-wall-mount-air-handler-diy-12-hp-wmah-115c25