AcerPure delivers filtered fresh air around your home thanks to the exceptional purifying and air circulating technology. Take control of your air quality with the 4-in-1 HEPA filter and eliminate up to 99% of airborne bacteria, 99.97% of ultrafine dust, PM1.0, and allergies. The filter delivers up to 3000 hours of effective purification, for consistently clean and revitalising air.