Item Type: Air Purifier Filter Set Material: Cotton, High Efficiency Particulate Air Package List 2 x High Efficiency Particulate Air Filter It is recommended to replace the filter every 6 months, or depending on usage . 1Healthy and Safe: Extend the life of your filters. This accessory is the right choice for you. Create a healthy and comfortable environment for those who want to breathe great gas and meet your daily needs. 2Applicable Models: This filter is suitable for Filtrete FAP C02 A2, for FAP C03 A2, for FAP T03 A2, if you happen to have related needs then this one is suitable for you. 3Remove Odors: Filter replacement helps you get 99.97% of suspended matter such as hair, dander, and lint to improve gas quality. And activated carbon filters allow you to remove unpleasant odors. 4Applicable Scenarios: Our filters are suitable for home, office and other environments to remove PM2.5 for your family and children. 5Simple to Install: Our filter is light in weight and easy to install, just follow the normal process and you can install it successfully.