- Original True H13 HEPA Filter: Specifically designed for the BW302 air purifier, this original filter ensures optimal performance and air purification. For superior air quality, trust the authentic replacement. - Advanced 3-Stage Filtration: The BW302 filter features a comprehensive 3-stage filtration system, including a pre-filter, True H13 HEPA filter, and activated carbon filter. This powerful setup captures 99.97% of airborne particles as small as 0.2 microns, significantly enhancing the air quality in your home. - Simple Installation: Replacing your old filter is quick and easy. Just open the filter cover, remove the used filter, unpack the new filter, insert it into the air purifier, close the cover, and power it on. For optimal performance, replace the HEPA filter every 3-6 months. - Ideal for Various Environments: This filter is perfect for households with pets, allergy sufferers, or anyone looking to improve indoor air quality. It's effective in living rooms, bedrooms, and home offices, providing cleaner air for you and your family. - Quality Assurance: Manufactured with high-quality materials, the True H13 HEPA filter is built to last and perform effectively, giving you peace of mind with every breath you take.