Dual 3-in-1 filter is 99.95% effective in capturing particles as small as 0.1 microns including viruses, allergens, and germs in spaces up to 4,500 sqft Mixed-flow fan design maximizes air flow with ultra-quiet operation EnviroSmart+™ Technology continuously monitors contaminants, occupancy, and noise levels to proactively respond to changes IAQ sensors detect contaminants (PM10, PM2.5), occupancy, temperature, pressure, humidity (RH), carbon dioxide (CO2), and TVOCs Integrates into standard grid ceiling without any connection to duct work Access to the Array Viewpoint cloud-based dashboard is included at no charge. See Viewpoint Terms and Conditions for details. All units connect through building-wide, secure LTE Designed for long term use, backed with 5-year warranty