This Elite PureZone with HEPA filter safely sanitizes the air in your home or office making it more breathable, enjoyable, and healthier. The sleek, modern design complements any decor and features a sleep mode for clean air while you and your family sleep, 3-speed settings, and an automatic 2, 4, or 8-hour timer to conserve energy and extend the life of the air filters. Using a 4-stage purification process – which helps eliminate 99.97% of particles as small as 0.3 microns. PureZone Elite provides a perfect solution for making the air more comfortable for people who suffer from allergies, asthma or other breathing issues.