Negative Ions and HEPA air filtration system 1.High efficiency 2.Low noise 3.Save energy 4. ... CE certifications Negative Ions and HEPA air filtration system Application:Home, Living room, hotel, school, clinic,hospital, kitchen, warehouse ... cmRated Voltage: AC 220V/5A 50Hz ;Power: 45WOutput of negative ion:100,000,000/cm3Net weight: 6 kgs; Grossweight: 7 kgsPackaging ...