3000 Replacement Filter Compatible with Air Doctor AD3000, AD3500, and AD3500i Air Purifiers – 1 Premium Filter, 2 Carbon Filters, and 4 PreFilters – Compare to Part# ADF3001 ADF3002 ADF3003 ADF3010

["Wide Compatibility: This 3000 replacement filter for air doctor 3000, 3500, and 3500i air purifiers. Compatible with part numbers ADF3001, ADF3002, ADF3003, and ADF3010.","3500 Filter Set: Includes 1 premium filter, 2 activated carbon filters, and 4 pre-filters for full maintenance","Advanced Filtration: 3000 filter replacement utilizes a 3-stage system with a fine sponge pre-filter, premium filter, and activated carbon to deliver powerful filtration with minimal airflow resistance","Long-Term Use: Designed for air doctor 3000 & 3500 air purifier extended use, especially effective in homes with pets.","Recommended Replacement: Replace activated carbon filters every 6 months and the high-efficiency filter every 12 months for optimal performance"]