The Xiaomi Smart Air Purifier 4 Pro presents us with a model with a High-Efficiency Filter with greater capacity for bigger fibers, so it can eliminate all types of dust, odors, bacteria, pollen, mites, smoke, and pet hair.This air purifier for dust needs just 15 minutes to erase harmful agents in a 40 m2 effective coverage area and can develop CADR (Clean Air Delivery Rate) up to 500 m3/ h particles and even can cover up to 60 m2. It has 6 configuration levels and includes 2 purifier filters: a High-Efficiency Filter of Xiaomi and an activated carbon column, which guarantee more volume of clean air, less noise, and lower energy consumption.Model AC-M15- SC Particle's Clean Air Delivery Rate (CADR Particle) 500m³/h Net WeightApprox. 6.8 kgItem Dimensions275×275×680 mmNoise Level≤65dB(A)Effective coverage area35-60㎡