Enjoy clean and fresh air with the Whirlpool 6th Sense Powershield Air Purifier! It features an advanced 4-Step Filtration System that starts with the Pre-Filter, effectively capturing large particles such as human and pet hair. Then, the air undergoes filtration through the High-Efficiency Particulate Air (HEPA) filter, which can eliminate up to 99.97% of particles as small as 0.3 microns. The third stage involves the Active Carbon Filter, which efficiently captures and removes hazardous gases