High-Efficiency Replacement Hepa Filter With 2 Carbon-Pre-Filters | | Fully Compatible With Honeywell 10500 (Ev-10) 17000 17005 Air Purifiers, Part Number 20500 | | Hepa Remove Large And Airborne Particles, Including Dust, Common Pollutants ,Carbon Layer Reduce Chemicals Vocs, Tobacco Smoke, Common Household Bad Smell | | Please Replace Regularly To Keep Your Machine Fresh And Clean,For Best Results, Remove The Filter Once A Month And Clean With A Soft Brush Or Gently Vacuum. | | Top-Notch Quality Used For Maximum