It does not. Without the complete seal, those particles are just going around wherever the openings are. Same with the N95. It's not a 100% seal.
Wouldn't pass a pressure test. You have to have airtight material sealing in the droplets at all times or you've got nothing.
Wouldn't pass a pressure test. You have to have airtight material sealing in the droplets at all times or you've got nothing.