The Daikin-McQuay 059468001 Fan Housing & Wheel Assembly is an OEM replacement airflow component designed for compatible Daikin-McQuay air handlers, furnaces, and packaged HVAC systems. It works by housing the blower wheel and directing airflow efficiently through the system, allowing conditioned air to circulate evenly throughout the ductwork. https://www.partshnc.com/059468001-daikin-mcquay-fan-housing-wheel-assembly