Negative Ion Generator 35%~85% Humidity 27*15*18mm High Output DC-3.5KV 0.5KV
High Output Air Ionizer Airborne Negative Ion Anion Generator DIY. 1 Negative Ion Generator. Working Humidity: 35%~85%. Negative ion concentration: ≥4x106PCS/cm³(Test at 100mm). Insulation resistance: ≥40MΩ(500V DC).