RGF Guardian Air PHI-212-GA Air Purification System REPLACEMENT Light
PHI Technology (Photohydroionization) creates a group of "Friendly Oxidizers" (Super Oxide Ions, Hydro-Peroxides, Hydroxides.) Oxidizers revert back into O2 and H2O. Oxidizers are extremely effective at destroying microbes and gases. All of the oxidizers created exist in outside air already. It doesn't harm people.
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