<p> <a rel="noopener noreferrer" href="http://walmart.filtrete.com/rap"><strong><span style="font-size: 30px; color: rgb(209, 72, 65);">Not sure which Filtrete device or filter to buy? Click here to view our help guide.</span></strong></a> </p><br>Refresh your indoor air with the Filtrete™ Allergen Reduction HEPA Type Room Air Purifier Filter. From dust and lint, to pet dander and pollen, this filter helps capture allergens in your home. A HEPA type rating means the filter captures 95% of airborne particles as small as two microns in size* to help you achieve cleaner, fresher indoor air. *from the air passing through the filter. Initial efficiency value.