... UV lamp, it has a superior oxidation reduction. And rapidaly decompose formaldehyde, benzene, ammonia and other harmful gas molecules, kill ... dust and sterilizer.8. double speed fan air circulation power systemsUnique double fan, Two-step adjustable wind power systems. ... pollen, dust, scurf, formaldehyde, benzene, toluene, dimethylbenzene, TVOC, and other Automobile exhaust gas, like CO, CO2, NOx,etc