Portable Air Purifier H22897 White

• 3-Layer Purification System: it consists of Pre-filter, Activated Carbon Filter & Cold Catalyst Filter
• Pre-filter: it is the first layer of purification system, can remove dust, pollen, smoke, odor, mold spores and pet dander, etc
• Activated Carbon: it can effectively remove poisonous, harmful and peculiar smell gas like formaldehyde, dimethyl benzene, phenol, etc