- HEPA Filter Replacement: This pack includes 4 high-quality sponge pre-filters designed for use with your purifier's main HEPA filter, ensuring optimal performance and longevity. - Odor Elimination: Each premium charcoal pre-filter effectively absorbs and neutralizes unpleasant household odors, creating a fresher living environment. - Enhanced Air Quality: Our filters capture 99.97% of allergens and pollutants, significantly improving indoor air quality and helping to deodorize your home. - User-Friendly Design: Installation is simple—just place the filter onto the unit, aligning the notched corner with the corresponding edge of the odor eliminator. - Long-lasting Performance: With 4 filters included, you can enjoy extended use between replacements, providing consistent air purification. Ideal for various settings, including living rooms, bedrooms, and offices, these filters ensure that you breathe cleaner, fresher air while effectively reducing unwanted odors. Perfect for allergy sufferers or anyone seeking to enhance their home environment.