The MRCOOL MCDP0018ANPA Signature Series 18K BTU 1.5 Ton Downflow Cased Evaporator Coil is an indoor HVAC component designed for efficient cooling performance. It operates by allowing refrigerant to absorb heat from indoor air as it passes through the coil, which is then transferred to the outdoor condenser. It is used with air conditioners and heat pump systems in downflow furnace or... https://www.partshnc.com/mrcool-signature-series-1-5-ton-downflow-cased-evaporator-coil-mcdp0018anpa