9-Pack AD3000/AD3500 Replacement Filter Compatible with Air Doctor AD3000 3500 3000Pro, 3000M Air Purifi-er, Include 1 Main Filter + 2 Carbon Filters + 6 Pre-Filters

COMPATIBILITY: The AD3500 replacement Filter is Compatible with 3000, 3000M, 3500, and 3500i air purifiers, compared to the parts ADF3001, ADF3002, ADF3003, and ADF3010. NOTE: This is a third-party product; it is not an OEM product | Super value pack: 3000/3500 Replacement Filters Set, including 1 Filter, 2 Carbon filters, and 6 carbon pre-filters to support a full maintenance cycle. This 9-piece value pack is an affordable choice for your home air purification needs year-round | Premium Filtration: Enjoy exceptional fresh air with our 3-stage filtration system -- AD3000/3500 filter replacement. From the selection of raw materials to professional production operations, strict production processes, AD3000/3500 filter, and the replacement of filters, are good for families with pets. They can be durable and efficiently used for several months | EASY TO INSTALL: The Filter Replacement is easy to replace and dispose of without any tools required. TPlease replace filters every 612 months depending on environment and usage level | After-sales Service: Contact us through Amazon if you have doubts or just want to learn more about this or other filter