The PureView AeraMaxPRO AM 4 Air Purifier with Stand by Fellowes is a powerful air purification system that seamlessly improves indoor air quality. Ideal for school facilities, this air purifier combines smart, responsive technology and hospital-type True HEPA filtration to remove 99.9% of airborne bacteria, viruses, odors, allergens and more. Smart technology automatically senses when poor air is present and adjusts the unit's four-stage filtration system to remove contaminants - protecting students and staff from getting sick. Built with commercial grade durability, this unit covers up to 1,100 square feet and features five powerful fan speeds, plus a PureView LCD screen control panel. Includes a floor stand for easy installation. Use in conjunction with existing hand washing and surface cleaning routines for a truly safe and healthy learning environment.