That mask in the OP is at best good for wood working such as sanding in an enclosed space, and barely good for that. It’s not going to stop any pathogens it’s for particulates on the job site.
edit: It’s a 3M 2091 filter for those that want info…
That mask in the OP is at best good for wood working such as sanding in an enclosed space, and barely good for that. It’s not going to stop any pathogens it’s for particulates on the job site.
edit: It’s a 3M 2091 filter for those that want info…
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