● 360-degree barrel filter for Xiaomi air purifier
● Integrated early effect， HEPA， three layers of activated carbon filter
● 3-layered filter removes 99.99 percent of PM2.5 particles
● PET material filter: PET material， high intensity material mesh， folding resistance， oil resistance， and etc. The barrel can intercept and filter dust， hair， fine scales larger suspension matters
● Coconut shell activated carbon can adsorb different occasions as many as hundreds of harmful chemical substances ( HCHO，TVO，CH2S and etc) let your life environment more clean and healthy