The MRCOOL DIY-09-HP-WMAH-115D25-O is a 9,000 BTU, 115V air handler designed for the DIY 5th Generation single-zone ductless mini-split heat pump system. It circulates conditioned air through the indoor space while working with the outdoor heat pump unit to provide efficient heating and cooling. Designed for residential HVAC applications, this air handler offers quiet operation, flexi... https://www.partshnc.com/mrcool-diy-5th-gen-wall-mount-air-handler-diy-09-hp-wmah-115d25-o