Thanks to the innovative and advanced 4-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 and unpleasant odors. The negative ions have an extraordinary ability to combine with positively charged liquid dust, smoke. Thanks to that, they kill bacteria and viruses. 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): 30W / 30W / 36W / 43W CADR (clean air delivery rate): 190 m³/h Applicable Area: 50 m2 Amount of Negative Ions: 5 million/cm³ 4-stage filter includes pre-filter, activated carbon filter, HEPA filter (H11) and cold catalyst filter. Air purification method: 4-stage filter + negative ion generator HEPA filter efficient: 99.97% Minimum particle removal size: ≥ 0.3μm Large LCD screen with touch button Remote control Three-speed fan 3 selectable working modes: Automatic, manual and sleep mode Adjustable timer: 1 - 12 hours Noise≤ 50db Cable length: 1.5 meters Product size: 33.0 x 20.0 x 50.5 [cm] Filter size: 35.5 x 25.4 x 2.8 [cm] If you need to change the filter, use Esperanza filters with the following product model: EHP003H11