The standard of purity. Up to 3 months of filtration performance! Electrostatically charged attracts microscopic dust and allergens. 87% reduction of large airborne particles. Odor blasters. Allergen defense. Reduces: Pollen. Mold spore. Pet danger. Dust mite. Microscopic allergens. Dust. Household lint. Odors. Smoke. Voc's. Protect plus air. Air flow.