Travel

Ask the Captain: How often do airlines replace the HEPA filters on their planes?

John Cox, Special to USA TODAYComments Off on Ask the Captain: How often do airlines replace the HEPA filters on their planes?

This week, retired pilot John Cox answers your question about HEPA filter maintenance and how they mitigate the chance of contracting COVID-19.

      
John Cox, Special to USA TODAY
http://api-internal.usatoday.com.akadns.net

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