A breath of fresh air in any large-sized room the Sharp Air Purifier with True HEPA Filtration effectively reduces pollen dust pet dander smoke germs bacteria viruses odors mold and fungus in your living space. The True HEPA filter captures 99.97-percent of particles that pass through it and is ideal for removing common household allergens. All of this at a LibraryQuiet operation as low as 23 decibels. Use this Sharp air purifier in your garage bedroom living room home gym office or wherever you live most. Features. Air purifier has a room coverage. True HEPA filter captures 9997-percent of particles as small as 03 microns. Long-lasting True HEPA filter lasts up-to 2 years. Auto-resume feature remembers your last setting in between uses. LibraryQuiet operationSpecifications.