No! this is not OSHA approved.
But I had forgotten my specs at home, and crap* was falling in my face while working under a kitchen sink. This even keeps that stuff out of your nostrils if you pull the edge down a bit.
I do not recommend this with power tools, just for work with small low velocity particles.
* crap, in this case was probably minerals from the water, schmutz from the disposal, mold, mildew....
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