Negative ion generator 1. Generate a large number of negative ions, effectively freshen the air and improve indoor air quality. DC head: 5.5 2.1MM. All products are quality checked. Constant output: 22kv.
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Negative Ion Generator 5V/12V/24V High Density Plasma ionizer Module Easy to Use
220V Negative Ion Anion Generator Plasma Ionizer Module Air Cleaner Purifier DIY
