The Concealed Universal Modular fan coil unit is designed for concealed applications in corners or along room walls. IEC's unique design utilizes laser cut knock-outs so that installers can easily field convert each unit to the desired application. Once installed, only the thermostat control, supply grille and decorative return air panel of the unit are visible in the room. The return air panel provides easy access to all internal components. Standard units are provided with a galvanized finish on the cabinet and a powder-coat paint finish on the return air panel.