... as 0.3microns and larger such as dust, pollen, tobacco smoke, mold spores and animal dander etc.Step2: Activated carbon ... . Step5: IonizerIt can reduce inhalable airborne particles like second-hand smoke, cooking soot, airborne dust.Product Specification:1. Size: 370* ... sterilization lamp with TiO2 - (e)Ionizer7. Can remove dust, tobacco smoke, odors and UV lamp can kill dust mite, viruses, fungus ...