Advanced 4-Stage Filtration For Cleaner Air:Our H13 True Hepa Filters Capture Up To 99.97% Of Airborne Particles As Small As 0.3 Microns, Including Dust, Pollen, And Pet Dander. The Activated Carbon Layer Neutralizes Odors, Smoke, And Vocs, Providing A Fresher And Healthier Living Space | | Perfect Fit For Therapure Models:Compatible With Therapure Tpp220F, Tpp220M, And Tpp220H Air Purifiers. Engineered For A Seamless Fit And Optimal Performance, Ensuring Your Device Continues To Deliver High-Quality Air Purification | | Durable Long-Lasting Performance:Our Filters Are Designed For Long-Term Use, Ensuring Your Air Purifier Functions Efficiently. For Best Results, We Recommend Replacing The Filter Every 6-12 Months, Depending On Usage And Air Quality | | Hassle-Free Compatibility Installation:Designed To Fit Perfectly With Therapure Tpp220F, Tpp220M, And Tpp220H Air Purifiers, These Filters Are Easy To Replace In Just MinutesNo Tools Required. Keep Your Air Purifi.