"This Schaefer Tuff & Gusty Carpet Dryer puts powerful airflow in a highly durable, easy-to-carry design to handle all your drying needs. HP 1/2, Amps 5.0/3.5/3.0, Volts 115, Air Delivery CFM 1,100/1,000/900, Fan Diameter in. 10, Dimensions L x W x H in. 18 x 16 x 18, Speeds qty. 3, Blower Type Carpet/floor. Stackable design saves storage and work space Rugged polyethylene housing is corrosion resistant Clamp holds carpet for drying underneath Daisy-chain capability allows for connecting multiple units Built-in GFCI plug adds extra safety Three speeds cover a variety of drying needs"