Compatible with: The AP-T30 Compatible with the Homedics TotalClean 5-in-1 True HEPA Air Purifiers, models AP-T30FL, AP-T30WT and Pet Plus models AP-PET35-WT, AP-PET35FL. Please find your machine code on the bottom of the machine before purchasing (NOT FOR AP-T40!!!) 3-in-1 Filtration: AP-PET35 Replacement Filter use 5 layers 3-Stage Filtration(Fine Pre-Filter, True HEPA Filter and Activated Carbon Filter), keeping fresh and air in your household 360° Effective Filtration: AP-T30 Filter Replacement for Homedics is a totalclean 360° Filtration. This helps improve air quality and provides you with fresh air, ideal for improving your quality of life AP-T30 Replacement Filter Pack: The AP-T30 replacement filters are made of high-quality materials. You will get 2 value packs.To maintain optimal performance of your machine, it is recommended that you replace the AP-T30 filter every 10-12 months After-Sales Service: The AP-T30 filter is easy to be replaced without any other tools.It doesn't take much time. And if you have any problems during the purchase process, please feel free to contact us AP-T30 Compatible with the Homedics TotalClean 5-in-1 True HEPA Air Purifiers, models AP-T30FL, AP-T30WT and Pet Plus models AP-PET35-WT, AP-PET35FL.