Hepa filter In AHU

Production
1

Can we fillter inlet air of AHU directly from HEPA?

2

Air filteted directely through HEPA will chock/demage the HEPA so its is first filterd through pre fiters and bag filters.

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3

no HEPA filter is the end filtration of an AHU and Area.

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4

yes…

5

Before that, it is better to install Outside air unit that contains primary filters. and cleaned very often, for intake or air…for better longitivity of v & pre filter of AHU…

Thanks

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6

yes its necessary
called mesh filter or aluminium washable filters