This 5-in-1 Air Purifier helps to improve general air cleanliness at home. With a pre-Filter, true HEPA filter, cold catalyst and activated carbon filter, this highly efficient air purifier can capture 99.97% of dust with a Clean Air Delivery Rate (CADR) of 218. The built-in negative ion generator binds to and neutralises airborne pollutants such as dust, pollen, and smoke for cleaner air. Be it pet hair, pollen, dust, smoke or emissions produced by household electronics, this combination of five independent air purifying technologies ensures a cleaner air environment day and night.