The MRCOOL MCMP4860DOTB 4–5 Ton Multi-Positional Pre-Charged Evaporator Coil is an indoor HVAC component designed to provide efficient heat transfer in compatible split-system applications. It works by absorbing heat from indoor air as refrigerant flows through the coil, allowing the system to deliver conditioned air through the ductwork. Its pre-charged design simplifies installation... https://www.partshnc.com/mrcool-4-5-ton-multi-positional-pre-charged-evaporator-coil-mcmp4860dotb