The MRCOOL DIYCASSETTE09HP-230D25-O DIY 5th Gen 9K BTU Mini-Split One-Way Ceiling Cassette is an indoor air distribution unit designed for compatible MRCOOL DIY mini-split heat pump systems. It works with the outdoor unit by circulating conditioned refrigerant through the indoor coil, while its blower distributes heated or cooled air through a one-way discharge pattern. Designed for 9... https://www.partshnc.com/mrcool-5th-gen-outtasight-diyr-mini-split-diycassette09hp-230d25-o