Unmatched Ionic Power. Traps pollutants on metal plates, like a magnet. Also circulates negative ions into the air, which are proven to remove pollutants and particles from the air. Clinical Test Results: 99.5% Removal Rate of Particles in 128 Cubic Foot Chamber. No Filters to Replace. No replacement parts, saving you hundreds of dollars every year. Low Electricity Usage. Purify the air for just pennies per month, saving you hundreds of dollars more on your power bill. Independently-Controlled Fan. Increased air circulation equals increased effectiveness. Whisper Quiet. The XJ-2100 is quiet even when the fan is on, and almost silent when off. DOCTOR RECOMMENDED. FULL THREE YEAR WARRANTY. CLEARANCE PRICED AT 50% OFF $199.00 OUR REGULAR PRICE. FREE SHIPPING THIS MONTH.