Sharp"s FP-A80UW air purifier combines True HEPA filtration to reduce allergens with Sharp"s patented Plasmacluster Ion technology which attacks germs and odors, The Plasmacluster air purifier helps remove these irritants with an ultra-quiet fan that draws air through a washable pre-filter and a True HEPA filter that removes 99, 97% of impurities from the air that passes through it, This filter system plus the revolutionary Plasmacluster Ion Technology for air purifiers makes the air cleaner and fresher smelling, Sharp"s Plasmacluster Ion technology attacks germs and odors at the molecular level, This technology has been proven to reduce certain bacteria, virus, mold, fungus and odors in lab tests, Vacuumable Pre-Filter - traps dust, dirt and other airborne particles, Active Carbon Filter - absorb common household odors and gases, True HEPA Filter - captures 99, 97% of particles as small as 0, 3 microns from the air that passes through it, including pollen, mold, pet dander and dust, Plasmacluster Ion Technology - Sharp"s patented technology splits water molecules into positively and negatively charged ions, which spread throughout the room, surrounding airborne impurities and breaking them down, This technology has been proven to reduce certain bacteria, virus, mold, fungus and odors in lab tests, Simple Operation with Dust Sensor - 3 manual fan speeds plus 15 minute Quick Clean cycle and automatic dust sensor: “When the light is green, the air is clean"", Plasmacluster Ion Mode - can be switched between Clean Mode / Ion Control Mode and Auto mode automatically, Maintains the natural ion balance in the room, Library Quiet - operation is ideal for bedrooms and living rooms, Silent Mode is as quiet as 23 decibels, about the volume of rustling leaves, This is one of the quietest air purifiers with a HEPA filter available anywhere, Energy Efficient - operation means it"s easy on your wallet with its advanced technologies, it is 40% more energy efficient than standard models, making it Energy Srat qualified, Long Life HEPA Filters - require changing only once every 2 years2 so operating costs are low, Plasmacluster Ion technology for reducing certain germs and odors, Effective for rooms up to 454 square feet, CADR for Dust/Smoke/Pollen: 293/303/360, True HEPA Filter traps 99, 97% of particles of the air that passes through it, Plasmacluster Ions Help Reduce Odors at the Source, Carbon filter absorbs many common household odors, Vacuumable Pre-Filter traps dust/dirt/airborne particles, Library Quiet operation on low fan setting: 23 dBA, SKU: ALMO2276