... . Output of negative ion: 100, 000, 000/cm3 4. Purifying rate: 99.97% Air Purifier 1. Rated Voltage: ... AC 220V/5A 50Hz; 2. Rated Power: 45W; 3. Output of negative ion: ... of Superior quality and long-lasting, room air is cleaned and Purified noiselessly-completely silent. ... harmful gases such as nitrogen, eliminate O3, NOX, N+, heavy ion ect. 7. Adapt puissant anti- ...