I have the device now for about 2 years in operation, the first of its kind in my possession. The ionized air I have never seen, and undoubtedly the principle is effective. But: This device does not bring it. The power is totally inadequate, unless you it is right next to his nose. The advertising message "Acts on a vast area of up to 100 m²" is simply wrong, not even one tenth of the curses it creates (actually is anyway the room size and not the area relevant, keyword old building or 1 1/2-storey penthouses).
Which Märchenonkel was because at work here? The built toy fan with a size of I now buy the Steba LR5 Air Purifier on trial (grade 50 EUR more), it is nachberichtet.