... IONS TO CLEAN AND IONIZE THE AIR THOROUGHLY2.HIGH-PERFORMANCE FAN IMMEDIATELY & SILENTLY DRAWS THE POLLUTED AIR IN, THE DISPERSE THE ... : >1,000,000 ions/cm33.OZONE CONCENTRATION: <0.05 ppm4.FAN SPEED: 15.EFFECTIVE RANGE: 3m6.RATING VOLTAGE: DC4.5V7.POWER ... : 7.50KGS/ 11.40KGS20FCL= 15,120PCS40FCL= 30,564PCS Air Purifier with Ionizer Fan & Aroma Diffuser