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If you are dealing with certain nuisance acids these masks work quite well. I would say the only downside is they can get a little hot/steamy inside with prolonged use. It would be fairly easy to just switch off with another mask if you were going to be using them over an extended period. Around oxalic acid they appear to be quite effective.
Verified purchase: Yes | Condition: New
I have asthma and chronic bronchitis so an R95 is important to me. This brand (3M) and model are the only ones that fit my smaller face. While pricey, for a quantity of 20, it’s well worth it to me.
Verified purchase: Yes | Condition: New
a lot better than ear loop masks . it seals around face a lot better... and it has the same filtration ability as an N95 mask?
Verified purchase: Yes | Condition: New
This is not the first time I have ever used this product. The quality is very good. I will continue buying them.
Verified purchase: Yes | Condition: New
These masks should block odor....I can still smell through them. I have taken a course in mask fitting, as I used to work in the OR, so I know how to properly adjust/fit/wear them. Makes me feel as if they are not doing their job on the odor...are they also not doing the job on other particulates?
Verified purchase: Yes | Condition: New
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