What are the benefits of biofunctional cabin air filters from MANN-FILTER?

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What is the natural source of the polyphenol biofunctonal layer?

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Hello, MANN-FILTER FreciousPlus cabin air filters with biocidal protective layer contain the active ingredient dimethyltetradecyl[3-(trimethoxysilyl)propyl]ammonium chloride (EINECS No.: 255-451-8 / CAS No.: 41591-87-1). With this functionalisation, the filters are protected against the multiplication of bacteria (gram-positive and gram-negative), yeasts and microfungi. Your MANN-FILTER Social Media Team