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It's hard to tell from the product page, but it looks like this is just an ionizer, with no fan or filter. If so, then all it does is emit ions; it doesn't remove anything. The theory is that it will charge particles (e.g. birch pollen), which will then attach itself to nearby surfaces, thereby cleaning the air. Unfortunately, these are more effective at ...


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YES/NO. I could find two answers: no and yes. The no was marketed by manufacturers of large air purifiers containing full-blown HEPA while the yes by the below research on asthma, disabilities and seasonal affective disorder (SAD). Because people allergic to birch pollen are more likely to develop such disabilities unless proper interventions, this material ...



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