You may not know but negative ions floating in the air have different masses.
They are classified into
large and
small ions depending on the mass of the molecule.
Clinical tests show that small ions have more beneficial effects on the human body than large ions.
Please be careful that some manufacturers give you negative ion count data
which includes both small/large ions, when it should only include small ions.
This happens when it is measured by a simple ion counter which detects small and large ions together.
Enquiry example
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Your product #xxx claims to generate yyy pcs/cc negative ions. Is this the ion count which includes small ions only?
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