If you’re looking for the best negative ion generator without ozone, this page has a detailed review of the top 4 high-density negative ionizers currently for sale and why they are recommended.

Keep in mind, this is a review for true high-density corona discharge air ionizers. Most ionizer reviews covers ‘ionic air purifiers’ or ‘anion ionizers’, which tend to be catchall terms for devices that use primarily ozone, rather than negative ions, to clean the air.

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