Particle, dust, & allergen filtration - 360� intake cylindrical Medical Grade HEPA filter: actual 99.97% efficiency @ 0.3 microns, efficient to 0.1 microns, Surface area 5.5m2 with service life of approx. 3 years
Chemical, odour, & gas filtration - 7 kilogram activated carbon filter for the most effective removal of volatile organic compounds (VOCs)
Quiet operation - High quality centrifugal fan motor designed for quiet continuous 24 hour operation and energy efficiency