Fangrui Product Details Superior Filtration Efficiency: Crafted From Ultra-fine Organic Fibers, This H13 Hepa Filter Boasts A Small Pore Size Capable Of Purifying Airborne Particles As Small As 0.3 Microns. It Ensures Top-notch Air Quality By Effectively Trapping Pollutants And Allergens, Making It Ideal For Maintaining A Healthy Indoor Environment. Advanced Adsorption Technology: Featuring A High-capacity Activated Carbon Filter, This Element Offers A Vast Surface Area With Numerous Pores, Ensuring Optimal Air Contact. Its Designed To Capture Various Airborne Contaminants, Including Chemicals And Gases, Enhancing The Air Quality In Your Living Spaces. Enhanced Protection For Appliance Components: Equipped With A Pre-filter That Captures Larger Particles Such As Hair And Dust, This Filter Maintains Low Wind Resistance And Protects The Main Filter From Clogging. This Not Only Extends The Lifespan Of The Unit But Also Ensures Efficient Operation Over Time. Effective Odor Elimination: The Activated Carbon Layer In This