DESC: The Ionic Pro Pure Pro's 5 Stage Purification Process captures allergens (pollen, dust, dust mites, dander, etc¿) and regenerates the air in a 30' x 30' room in about 20 minutes -- 3 times faster than the leading competitor's unit - and at a much lower cost. Convenient table top size and attractive design is perfect for living and office spaces. Convenient one touch operation makes it easy to use and selected dishwasher-safe parts make it easy to clean.