Air-Dryr - Say goodbye to mold, mildew and moisture! An inexpensive, effective way to fight moisture problems, cold drafts, and corrosion. Designed to operate 24 hours a day. Place Air-Dryr on the floor in any damp,enclosed space and plug into a 110-volt outlet. Cooler damp air is drawn in warm dry air goes out the top vent. Costs no more to operate than a light bulb. No fan, switch, thermostat or drain hookup necessary. Silent operation. UL listed. For RVs, home or boats. Air-Dryr 1000 handles up to 1000 cu. ft. Draws only 1.1 amps,130 watts. Circular unit 13.5in dia. (34 cm) and 4.25in high (11 cm).