5000 Replacement Filters Compatible with Air Doctor 5000 Series Air Purifier, fits Model 5000, 5500, and 5500i, 2 Premium Filter and 4 Activated Carbon Filters

: 5000 Replacement Filters Compatible with AD5000, AD5500, and AD5500i | :The original product has a registered design patent. We have adjusted our product appearance to avoid intellectual property infringement, while full compatibility and performance remain unaffected. Please purchase with confidence. | : The Premium 5000 Replacement Filter designed with more pleats for a greater expanded surface area, delivering superior performance and extended service life | : The 5500 filter works alongside the new fine sponge pre-filter and Premium activated carbon filter | - : The package includes 2 Premium filter and 4 carbon filters. We recommend replacing the activated carbon every 6 months and the main every 12 months for optimal performance (depending on your usage).