The MRCOOL HCMP3642DFOA ProDirect Series Cased Coil is a 36,000–42,000 BTU evaporator coil designed for residential and light commercial HVAC systems. It transfers heat between indoor air and refrigerant through aluminum tubing and fins, providing effective cooling performance. The coil is used with compatible ProDirect air handlers and air-conditioning systems https://www.partshnc.com/mrcool-prodirect-series-cased-coil-hcmp3642dfoa