 Are you tired of costly HEPA air filter replacements? Say goodbye to nasty home odors and costly filter replacements with the Edenpure Thunderstorm air purifier. The Thunderstorm eliminates bad smells and replacement filters with its Oxy technology. Odors in your home will disappear in seconds. Nasty smells from dirty laundry, pets cooking odors, even musty mildew smells are no match for the Thunderstorm.