Keep your home feeling fresh with the LEVOIT Replacement Filter for Core 200S. This replacement filter is designed for use with the Levoit Core 200S, Core 200S-P, PlasmaPro 200S, and PlasmaPro 200S-P Smart Air Purifiers (each sold separately). Three stages of filtration—the pre-filter, the main filter, and the high-efficiency activated carbon filter—work together to trap dust, hair, lint, and 99.97% of airborne particles down to 0.3 microns. They also help remove smoke, pet odors, and VOCs.