Like all Alpine Luddites gear, these are no nonsense PPE. These masks are made from 2 layers of surgical wrap fabric, which is microporous to .3 microns.
NOT N95 Medical Grade material, and they are NOT FDA regulated. They are a step towards personal protection, but cannot ensure total protection from airborne particles. they have an bendable aluminum nose bar. they have nylon tape straps that have cordlocks or can tie around your head. they can be sterilized and reused.
They do offer significantly more filtration than a cotton mask.
They ship within 14 days at this point.
flat shipping rate.
No returns on masks.