Product Description: Fits Vornado Model AQS15. Using doctor-recommended True HEPA filtration and PreSorbĀ® activated carbon prefilter, VAQS removes irritating allergens and particulates, then circulates clean air throughout the entire room using Vornado's exclusive Vortex Action. Our PreSorb prefilter absorbs many odors and hazardous compounds. True HEPA filtration removes a minimum of 99.97% (DOP Test Protocol) of airborne particles including: smoke, pollen, dust, pet dander, mite antigens, mold spores, viruses, and bacteria. MD1Vornado MD1-0008 HEPA Replacement Filter for AQS15