The s-filter® HEPA Anti-Odor Pet™ captures 99.97% of all dust, pollen, and other airborne irritants down to 0.3 micron and contains active carbon structures that reduce odors and is ideal for pet owners. With the level of filtration you need, our s-filter® HEPA Anti-Odor Pet™ allows you to clean less often and enjoy fresher air in your home.