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CharlieWW wrote: ↑

Fri Dec 20, 2024 4:19 pm

It's so effective at filtering out everything, highly recommended for anyone needing high levels of air filtering.

That is a very nice filter but unfortunately, I do not have a 3D printer. Someone suggested cutting a piece of an N95 mask the shape of a ResMed 10 filter. ResMed brand makes standard and hypoallergenic filters. The hypoallergenic version is expensive.