Based on TS’s measurements, the enclosure does little. So, the built in filter doesn’t do much either. Really need negative pressure to remove VOCs and Microplastic particles.
https://youtu.be/nofn_MHrxrs?si=9Q7MX6xix9wHibQJ
I used to sit all day next to my printer (10 yrs ago). Now it’s in its own room, with an exhaust hose/duct fan sucking everything out to the window.