TPP440F HEPA H13 Replacement Filter for Therapure Air Purifiers TPP440, TPP540, TPP640, TPP640S,4-Stage Filtration，2 Packs

Perfect Compatibility:Designed for Therapure TPP440F filter, fully compatible with Envion Therapure TPP440, TPP540, TPP640, and TPP640S air purifiers. Works just like the original filter to ensure your air purifier maintains optimal performance 4-Stage H13 True HEPA Filtration:High-efficiency 4-stage filtration system featuring H13 True HEPA filter captures up to 99.97% of airborne particles as small as 0.3 microns, including dust, pollen, pet hair, smoke, ensuring fresh and healthy indoor air High-Performance Activated Carbon Filter:Equipped with a high-efficiency activated carbon layer that creating a clean and odor-free living space. Ideal for pet owners and smokers Durable and Easy to Replace:Each set includes 2 replacement filters to meet your year-round purification needs. For optimal performance, it is recommended to replace the filter every 6 months. The filter can be easily replaced without any tools, ensuring your air purifier always operates at its best Premium Quality and Customer Support:We are committed to providing high-quality products and customer satisfaction. If you have any questions about the filter's compatibility or performance, please contact us. Our customer support team will provide you with a satisfactory solution