Hoover Air Purifier Filters, AH60015 Replacement HEPA Filter for the Hoover Air Purifiers WH10040 and WH10060 Rinsable Pre-Filter catches lint, pet hair and other large particles Filter made with HEPA Media traps 99 97% of dust and pollens down to 0 3 microns and has a large charcoal layer that absorbs airborne odors