Fangrui Product Details Enhance The Air Quality At Your Home Or Office With This Advanced Air Filter Designed Specifically For The Smart Air Purifier 4 Compact Series. Our Product Effectively Filters Airborne Particles Such As Pm 2.5, Ensuring Healthier And Cleaner Air. The Activated Carbon Filter Layer Plays A Key Role In Absorbing Harmful Gases And Unpleasant Odors, Promoting A Fresher Environment. H13 True Hepa Capture Up To 99. Of Airborne Particles As Small As 0.3 Micrometres. This Includes Dust, Pollen, Pet Dander, Smoke, And Other Minute Particles ,activated Carbon Reduce Chemicals Vocs, Tobacco Smoke, Pm2.5,common Household Bad Smell,fine Mesh Layer Prevents Large Particles Such As Dander,pet Hair. Please Regularly To Keep Your Machine Fresh And Clean. For The Performance, Clean The Filter Once A Month With A Soft Brush Gently Or With A Vacuum Cleaner. Top- Quality Used For Maximum Customer Satisfaction . Change The Filter In A Minute, No Tools Readd Morequired. Note: Please Remove