3PCS 6 Inch Air purifier Filter Replacement, Pre-filter, HEPA, Activated Carbon Composite Filter Suitable For Air Filter

3PCS Air purifier Filter Replacement, Pre-filter, HEPA, Activated Carbon Composite Filter Suitable For Air Filter Box HVAC Filter Set Primary filter element: washable, reusable High efficiency filter cartridge: service life of 3-6 monthsActivated carbon silver ion: Silver ion needs to be replaced if it changes color

• 3-in-1 Complete Filter Set – Includes pre-filter, true HEPA filter, and activated carbon layer with silver ion technology for comprehensive air purification in one compact 6-inch replacement unit
• Washable & Reusable Pre-Filter – Captures large particles like dust, pet hair, and lint; simply rinse and reuse to extend the life of your main filters and maintain optimal airflow.
• High-Efficiency HEPA Filtration – Dust in the air, including pollen, smoke for cleaner indoor air.
• Activated Carbon + Silver Ion Layer – Effectively neutralizes odors from pets
• Easy Maintenance & Replacement Guidance – Replace the HEPA/carbon composite every 3–6 months based on usage; monitor the silver ion layer—if it changes color, it’s time for a fresh filter