The MRCOOL HCMP3642DFOA ProDirect Series Cased Coil is a multi-position evaporator coil designed for 36,000–42,000 BTU HVAC systems, with a 24.5-inch cabinet width and 23-inch supply duct. It works by transferring heat between indoor air and refrigerant through its aluminum-fin and internally grooved copper-tube heat exchanger, supporting efficient cooling. Designed for use with compa... https://www.partshnc.com/mrcool-prodirect-series-cased-coil-hcmp3642dfoa