where can I buy filters for the Aeno Air Purifier?

Hi there! Based on the search results, the Aeno Air Purifier AP2S- Wi-fi- Uv Lamp- Ionization- Tvoc Sensor- Cadr 420 M h- 50 M2- Carbon Filter + Hepa H13- Wall Mounting for R3722 seems like a great option for you. This product is an exact match for the Aeno air purifier you asked about and includes both a carbon and HEPA H13 filter. Investing in filters specifically designed for your air purifier model will help keep it running efficiently. Let me know if you have any other questions!