The MRCOOL MCMP4860DOTB is a 4–5 ton, 24.5-inch multi-positional cased evaporator coil designed for residential split HVAC systems. It transfers heat between indoor air and R-454B refrigerant to provide efficient heating and cooling. Factory pre-charged with R-454B and equipped with a TXV, it simplifies installation while supporting upflow, downflow, and horizontal configurations. https://www.partshnc.com/mrcool-4-5-ton-multi-positional-pre-charged-evaporator-coil-mcmp4860dotb