Allergy Solutions Air Purifiers provides Medical Grade Air Purifiers for your home or office. Our air purifiers have been tested by the Johns Hopkins University as effective in alleviating allergy symptoms, asthma symptoms, COPD symptoms, dust, smoke, odors, viruses and bacteria in the air. The filters far outlast all competitors, lasting up to 5 years before needing replacement, and covering 1500 sf, saving you money and time. They are trusted by the US government, having been used during 911 and Hurricane Katrina, and have been found effective in combatting COVID and other viruses.