No. Puroh uses a more effective technology: The Free-Air Factor is an innovative natural and active technology. Natural because it replicates the disinfection system in nature through the so-called natural detergent that eliminates pollutants and inhibits microorganisms. Active because it doesn’t have to suck in the air that contains them, but acts by eliminating them where they are found. In this way, it also acts on surfaces, unlike filters.
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