mation and subsequent testing helped determine the size of the blowers to apply to the new school bus air filtration units,” Oberdorff added. The filtration units include HEPA-3, HEPA-4 and HEPA-


6 filters as well as a high-capacity TRUE HEPA Filter that ProAir said is 99.99 percent effective on particles as small as 0.3 microns, such as airborne mold spores, pollen, dust, bacteria and viruses, including the SARS-CoV-2 virus that causes COVID-19. The system is tested to FDA require- ments for pharmaceutical manufacturing. “Each ProAir filtration unit is supplied with a pre-filter to


remove larger particulates from the air, helping to extend the life of the high-capacity TRUE HEPA filter and allow- ing it to focus on removing the small airborne pathogens down to 0.3 microns in size,” shared Oberdorff. In addition to the high-capacity TRUE HEPA Filtration,


ProAir offers an optional germicidal virus killing UV-C lamp for additional air purification. These units were designed, tested and built to ensure that the UV-C lamp is contained within the unit and focused on the airstream at the back of the HEPA Filter to further clean the air of mold spores, pollen, dust, bacteria and viruses.


The ProAir HEPA-6 filtration unit claims 99.99-percent efficacy in removing viruses, including SARS-CoV-2.


Webasto High-Efficiency Air Filtration System for Driver & Passenger Protection n


Medical-Grade HEPA 14 air filters n


Removes 99.995% of airborne infections and contaminants in one pass


866-889-0477 | WebastoHepaFilter.com


n Contamination-free filter exchange n High air exchange rate


n Lightweight and easy retrofit


www.stnonline.com 61


SOURCE - PROAIR - HELPA-6 ON CURBSIDE


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