Detailed Product Description air cleanerFunctions of FiltersPrimary Filter Mesh: Absorbs bigger dust, fiber, hair and such particles. Normal Temperature Accelerating Filter Mesh: It can oxidize and decompose the harmful air with formaldehyde, benzene, oxynitride and smoke into CO2 and H2O .Nano-silver Filter Cotton Roll: Traps and destroys dust, bugs, bacteria and germs.Medical Grade HEPA Filter ...