High-Quality Replacement Filter Set , 1 H13 True Hepa Filter + 6 Activated Carbon Pre-Filters | | Compatible With Winix D360 Air Purifier , Part Number # Filter D3 / 1712-0101-02 | | H13 True Hepa Capture 99.97% Of Airborne Dusts Pm2.5 Down To 0.3 Microns In Size. Remove Large And Airborne Particles, Including Dust, Common Pollutants ,Activated Carbon Pre-Filter Reduce Chemicals Vocs, Tobacco Smoke, Pm2.5,Common Household Bad Smell,Prevents Large Particles Such As Dander,Pet Hair | | Please Replace Regularly To Keep Your Machine Fresh And Clean. For The Best Performance, Clean The Filter Once A Month With A Soft Brush Gently Or With A Vacuum Cleaner. | | Top-Notch Quality Used For Maximum