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Guardian PHI | The Guardian Air PHI CELL by RGF Advanced Oxidation Systems is designed to help eliminate sick building syndrome risks by reducing odors, air pollutants, and cold and virus causing germs through a patent pending Photohydroionization® (PHI) process. The PHI Cells are easily mounted into existing air conditioning and heating systems. When the HVAC system is in operation, the PHI Cell uses an Advanced Oxidation Process to reduce the airborne contaminants.
Why use PhotoHydroIonization?
Germicidal UV light rays have been used for decades by the medical industry as a method for destroying microorganisms (germs, viruses, bacteria). UV light is dependable and can be easily installed in HVAC ducts or a plenum. Germicidal UV light is effective in reducing airborne microorganisms that pass through the light rays. However, germicidal UV light has little to no effect on gases, vapors or odors.
Advanced Oxidation, on the other hand, is very effective on gases, vapors and odors and UV light in the presence of the PHI catalyst creates the Advanced Oxidation reaction. This process in combination with the catalytic target surface of the cell produces not only an atmosphere in which germicidal light can kill micro-organisms. It also produces, super oxide ions and hydro-peroxides. These products of advanced oxidation reactions further attack the microorganisms as well as significantly reduce odors and VOC’s. With the RGF PHI CELL, most gases and odors are abated while micro-organisms can be reduced by as much as 90%.
-From the RGF Environmental Group's Website
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