Filter Designed for DBFIT AP300 Air Purifiers:Designed specifically for DBFIT AP300 Double-Sided Air Purifiers to ensure a seamless fit and optimal performance. NOTE:Please confirm your air puri-fier model is DBFIT AP300 before purchasing for guaranteed compatibility. H13 True HEPA Filtration:The heart of the system is a True HEPA filter capable of capturing most of airborne particles as small as 0.3 microns, providing relief from common aller-gens and fine dust. Odor-Reducing Carbon:Goes beyond particle capture. The robust activated carbon layer absorbs airborne particles and unwanted odors, making it ideal for households with pets or cooking activities. Washable & Cost-Effective:Includes a reusable and washable pre-filter. Simply vacuum or rinse to restore, which helps extend the life of the main HEPA filter and saves you money on long-term maintenance. Hassle-Free Replacement:Keep your air puri-fier running at its best. This 2-pack provides excellent value. Remember to reset the filter life indicator after installation by pressing and holding the reset button for 3 seconds. Eco-Premium Assurance: Supported by reliable after-sales service for complete satisfaction.