Vornadobaby MD1-0030 True HEPA Filter for Purio Contains one (1) genuine Vornadobaby True HEPA Filter Fits the Vornadobaby Purio True HEPA Air Purifier Captures 99.97% of all airborne particles 0.3 microns or larger Requires no cleaning and are easy to replace, no tools required Built to meet U.S. voltage requirements, and certified, safety-tested, and warrantied for use solely within the U.S.