2 Pack Replacement Filters, Compatible with OION 4-IN-1 Air Cleaner Purifier APW-4000 and APB-5000

The filter compatible with OION 4-IN-1 Air Purifier APW-4000 and APB-5000 | Package include 2 packs premium filters, it takes a cost-effictive solution to your machine keeping a high performance | The filter combined with pre-filter, premium filter and activated carbon , its effectively filter out airborne particles 0.3 microns in size and absorb odors, such as dust, pollen, pet dander, smoke, Vocs | For optimal performance, it is recommend to replace the filter every 4-6 months, depending on usage frequency and air quality | If you have any questions and issues, please feel free to contact us