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    Air Purifiers
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Air Purifiers Definitions and Factiods

 

Air Purifer Definitions 3

 

Photocatalytic oxidation (PCO) uses short-wave ultraviolet light (UVC), commonly used for sterilization, to kill 99.9% of bacteria and viruses[citation needed]. Independent research confirms its effectiveness against molds, bacteria, and viruses[citation needed]. UVC in-duct units can be mounted to an existing forced-air HVAC system. PCO is not a filtering technology, as it does not trap or remove particles. It is sometimes coupled with other filtering technologies for air purification. UV sterilization bulbs must be replaced about once a year; manufacturers may require periodic replacement as a condition of warranty.


 

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