Three-layer high-efficiency filtration to protect your health PM2.5 and pollen filtration| Pet hair filtration| Odour elimination All-in-one powerful filter Layers of purification for clean air output A primary filter, Xiaomi's High Efficiency Filter and a high-quality activated carbon filter work together to purify your...

Three-layer high-efficiency filtration to protect your health PM2.5 and pollen filtration |Pet hair filtration |Odour elimination Can only be used with Xiaomi Smart Air Purifier 4 Pro All-in-one powerful filter Clean air outputs after layers of purification A primary filter, Xiaomi's High Efficiency Filter...