Comment Comment by jerlam There's an Airfanta 4Lite which uses laminar flow to achieve that:https://air-fanta.com/products/airfanta-4liteHowever, testing seems to show that the clean air flow is neither wide nor far; it would only be effective right next to your face and you can't really move:https://www.reddit.com/r/Masks4All/comments/1di1n4t/can_a_po...There aren't a lot of use cases for it. parent jerlam 8 days ago
https://air-fanta.com/products/airfanta-4lite
However, testing seems to show that the clean air flow is neither wide nor far; it would only be effective right next to your face and you can't really move:
https://www.reddit.com/r/Masks4All/comments/1di1n4t/can_a_po...
There aren't a lot of use cases for it.