Air Purifier with Low Electrical Consumption Features: Compact and portable size Up to four stages of air filtration Low electrical consumption and low maintenance Quiet operation Variable speed controller High quality solid wooden box Stainless steel construction No chemicals and no residual contamination Energy-saving and only consumes 43W power Functions: Negative ion generator: produce activated ozone, anti-animalcule, combine with the floating smog, pollen, and dust in the air Catalyst filter: formaldehyde eliminating and benzene eliminating UV light: kills bacteria and virus HEPA filter: eliminates pollens and bacterias Efficient area: 650ft2 Applicable areas: Households, bedroom, garage, bathroom, closet, car, hotel, hospital, restaurant, schools, and entertainments