Thanks to the innovative and advanced 5-stage filter, Esperanza air purifiers stop up to 99.97% of air pollutants including: allergens, pollen, dust, suspended particles. It can absorb formaldehyde, benzenes, xylene, TVOCs, other harmful gases, 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 it, you can easily know the air quality level. The Esperanza air purifier is a modern device that provides perfectly clean and fresh air in your home. Rated voltage range: 220−240 V Rated frequency: 50/60 Hz Power consumption (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 catalytic converter filter. Air purification method: primary filter + 4-stage filter HEPA filter effective: 99.97% Large LCD screen with touch button Remote control Three-speed fan 3 selectable working modes: Automatic, manual and sleep mode Adjustable timer: 1/2/4/8 hours Noise≤ 57db Cable length: 1.5 meters 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 change the filter, use Esperanza filters with the following product model: EHP004H11 or EHP004H13