1、Perfect Fitment: Air cleaner replacement filter fits for Xiaomi Mijia air purifier 1 2 3 generations PRO, perfect matching. 2、High Quality Material: Air purifier filter is made of high efficiency particulate air, creating clean air for you and your family. 3、Function: Replacement filter effectively eliminates dust mites, PM5 particles in the air, maximum purification from the air. 4、Eliminate Odor: Eliminates household odor and the unpleasant pet odors in the air without worrying about second hand pollution. 5、Simple Installation: The installation is simple, direct replacement for the old one, no complicated operation is required, convenient for using. 1 x Air Purifier Filter Item Type: Air Purifier FilterMaterial: High Efficiency Particulate AirWeight: Approx. 888g/ 1.96lbFitment: Fit for Xiaomi Mijia Air Purifier 1 2 3 generations PRO