Humidity can promote the growth of airborne allergens such as mold spores and dust mites. Excess moisture can also cause that unpleasant ""musty"" odor that can be left on your clothing, towels, furniture, or anything that is stored in small spaces. The PureGuardian Small Space Dehumidifier is a great solution for reducing humidity in small areas such as bathrooms, laundry rooms, closets, RVs and boats where the moisture quickly accumulates. This lightweight portable unit runs quietly. No need to worry about an overflowing tank, the indicator lights up when the tank is full and the unit will automatically shut off! It utilizes Peltier (thermo-electric) technology with no large/heavy compressor needed. No filters are required and Silverclean Protection makes it maintenance-free. Features: Full Tank Indicator Light. Automatic Shut-Off When Full Reduces allergens & that unpleasant ""musty"" smell caused by mold & mildew that can be left on clothing & towels. Runs quietly with Peltier (thermo-electric) technology, while reducing the humidity level that can promote the growth airborne allergens such as mold spores & dust mites. Easy to use design features electronic On/Off controls & automatically shuts off when the tank is full. It is treated with Silverclean Technology to fight the growth of slimy mold & mildew on the surface of the water tank. | Guardian Technologies, LLC PureGuardian Small Space Dehumidifier