Introducing the True HEPA Replacement 115115 Filter A, specifically designed to fit perfectly with the Winix Plasmawave Air Purifier models C535, 5300, 6300, 5300-2, and 6300-2, as well as the P300. As a trusted factory, we are committed to providing high-quality products that ensure superior air purification results. Our replacement filters feature True HEPA technology, effectively capturing 99.97% of airborne pollutants, allergens, and irritants as small as 0.3 microns. These filters are designed to remove dust, pet dander, pollen, mold spores, and even cigarette smoke, creating a healthier and cleaner indoor environment. Maintain optimal performance and prolong the lifespan of your air purifier by replacing the filter every 6-12 months. Trust our factory-made, reliable filters for efficient air purification and enjoy fresh, breathable air in your home or office.