Leadless blower motor features simple plug-in connections|Blower speed change is easily accomplished by a simple wiring change|Each blower is statically and dynamically balanced as an assembly before installation in the unit|Deep, corrosion resistant plastic drain pans have dual pipe drains|Control Box may be used with optional electric heat when single power supply is connected to multi-circuit electric het|Field installs external to the unit cabinet on either side or top|Tool-less access to filter area for quick and easy servicing|Disposable frame type filter furnished and factory installed in rails in cabinet