- No. 1 Selling brand in USA - Renewable and reuse up to 10 years - No power or battery needed while absorbing moisture - Use special absorbing crystal, mess free and no spill of water - 100% nature mineral, child and pet safe - Area cover up to 330 cubic feet - 4 X more effective than traditional disposable chemical base dehumidifier - 5 years local warranty - Free delivery for purchase $100 & above