There is no airmover motor, no squirrel cage, no attachments. The PDS-21 is an all-in-one containment which makes this revolutionary product easy-to-use for big and small jobs alike. The PDS-21 makes drying easier and less frustrating than before. It is perfect for under sinks or behind cabinets and permanent furniture. Its portability makes drying a breeze. Operate up to 200 F.