Thanks to the innovative and advanced 5-stage filter, Esperanza air purifier stops up to 99.97% of air pollutants including: allergens, pollen, dust, suspended particulates. It can absorb formaldehyde, benzenes, xylene, TVOC, other harmful gasses, unpleasant odors and also it can kill bacteria and viruses. This device is specialized with high sensitivity sensor to detect PM2,5 value. Thanks to that, you can easily know the air quality level.  Esperanza air purifier is a modern device which will make perfectly clean and fresh air in your home. Nominal voltage range: 220−240 V Nominal frequency: 50/60 Hz Power comsuption ( Sleep mode, fan speed 1/2/3):  (23 W / 24 W / 29 W / 47 W) CADR (clean air delivery rate): 210 m³/h Applicable area:  55 m2 5-stage filter includes the washable primary filter, pre-filter, activated carbon filter , HEPA filter (H11) and cold catalyst filter. Method of air purifying: primary filter + 4-stage filter HEPA filter effective:  99.97% Big LCD display with touch button Remote controller Three-speed fan 3 working modes selectable: Automatic, manual and sleep mode Adjustable timer: 1 / 2 / 4 / 8 hours Noise≤  57db Cable length:  1.5 meter Product size: 32.5 x 17.5 x 54.5 [cm] Filter size: 28.0 x 28.0 x 3.5 [cm] If you need to replace filter, please use Esperanza filters with following product model: EHP004H11 or EHP004H13