The #8293 face mask is designed for maximum efficiency. Well suited for those who want NIOSH's highest rated filtration efficiency in a maintenance free respirator. This mask is designed for maximum HEPA filter efficiency in a maintenance-free design. This mask features a comfortable faceseal, adjustable straps, and lightweight construction.
Customer Review: purchased for outdoor allergies
Works pretty well for blocking out allergens while working outside, but very uncomfortable. The rubber gasket which runs all the way around the inside of the mask is about 1" wide, and whil...
Customer Review: decent filtration but far fewer than 150 hours of use
Filter material: Thick, soft, seemingly multi-layered. I feel much better with this material between my lungs and the particulates than with those cheap bulk dust mask. The big problem here ...
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