Xiaomi Smart Air Purifier 4 adds negative air ionization that you may not need - Hindustan Times

Science continues to debate the need for negative ions in indoor air purification systems, but we find that air cleaning works as well with Xiaomi’s latest air purifier when the ions are turned off

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GeneratIon 50 – Negative Ion Generator, HealthyLine Ozone Certificate, Safety Test Report and Power Bank Test, Cleanse the air around you and breathe

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Negative Ion On Off in Xiaomi Smart Air Purifier 4

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Xiaomi Smart Air Purifier Pro 4 Review: 11 Objective Tests - Modern Castle

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