Features: 1Applicable Models: Activated carbon air cleaner replacement filter fits for Xiaomi air purifier 1 2 3 generations PRO. Highly match your purifier. 2Odor Removal: Absorb odor purify formaldehyde healthy and environmentally friendly. The filter maintains the cleaning performance of the air purifier while reducing dust and other pollution into the air you breathe. 3Keeping Cleaning: The primary filter has the characteristics of strong folding resistance and oil resistance. Even if it is used for a long time it can ensure a long life of the filter element. Efficiently filter large suspended large particles such as dust hair and fines. 4Premium Material: Using activated carbon composition more environmentally friendly and efficient to help purify your living environment. 5Direct Replacement: Air purifier filter is easy to install and disassemble you can replace the old or damaged parts to obtain higher strength. Specification: Item Type:AirPurifier FilterMaterial: Activated carbonGross Weight: 500g / 17.6ozFitment: Fit for Xiaomi 1 2 3 generation pro Package List: 1 x Purifier Filter