PPRuNe Forums - View Single Post - Coved-19 and Recirculation Fans

6th Mar 2020, 21:37

#6 (permalink)

sky9

Keeping Danny in Sandwiches

Join Date: May 1999

Location: UK

Age: 76

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So what happens to the virus in the HEPA filter; and how often is it changed and by who?

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