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Do small business jets (Phenom 300 for example) have HEPA filters for recirculated air? Or don't they recirculate air at all?

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Embraer's own website confirms that their business jets can recirculate or draw fresh air, but HEPA filters don't seem to be an option until you get into the Praetor size and above -

In addition, the now standard HEPA filter for the Praetor jets can capture 99.97% of bacteria, viruses, and fungi — further providing fresher, cleaner air inside the cabin. So when you fly on an Embraer business jet, you can breathe easy.

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  • $\begingroup$ Thanks for your answer! This information on the website seems a little confusing, since it does not specify if the recirculation exist in their smaller jets or if it's only a Praetor feature. It also seems a little strange to me to not filter at all the recirculated air. $\endgroup$ – Pedro Guimarães Aug 17 '20 at 13:18
  • $\begingroup$ @PedroGuimarães: I would be surprised if they didn’t have SOME kind of basic filter for recirculated air. It just won’t be rated for hazardous airborne particles like HEPA filters are. $\endgroup$ – Aaron Holmes Aug 17 '20 at 13:27
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    $\begingroup$ Can you add a quote from their website and link to the relevant page(s). That would greatly improve this answer. $\endgroup$ – DeltaLima Jan 14 at 7:20
  • $\begingroup$ Since HEPA filters are common, an after market kit may be readily available. The filter just needs to be in the cabin airflow duct, with appropriate specs for flow. $\endgroup$ – Robert DiGiovanni 2 days ago

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