Why should contaminated air be filtered before it reaches the lamp(s)?
Filtration systems that do not pre-filter air before it gets to the lamp(s) and the HEPA filter can expose the lamp(s) to larger dust and dirt particles. This can result in formation of a dirt film deposit on the quartz glass and significantly reduced UV-C intensity. In addition, agglomerated dirt particles that form on the HEPA filter media can reduce airflow and filter capacity, shorten filter life and further block UV-C exposure to organisms that may be trapped beneath them. With the design of an Abatement HEPA-CARE Air Purification System, air is pre-filtered and HEPA-filtered before it is exhausted into the UV-C module, thus maximizing UV intensity to kill microorganisms.
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