The dust in your home is made up of pollen, plant and mold spores, pet dander, lint, bacteria and other contaminants. Regular daily activities within the home such as dusting, vacuuming and cooking can increase particulate concentrations. Find the right filter Shop home air filters Related guides Trust 3M FIltrete Filters to Improve your Air Everything You Need To Know About Dust Mites Beyond Dust: How Carbon & Gas-Phase Filters Tackle Odors, VOCs, and Invisible Air Threats The benefits of a clean filter