3MR8246 / 8246 RESPIRATOR DISPOSABLE R95 3M™ Particulate Respirator 8246, R95 Provides reliable worker protection against certain oil and non-aerosol particles along with relief from nuisance levels of acid gases such as sulfur dioxide, hydrogen fluoride and/or chlorine. Some applications include aluminum smelting, brewery operations, chemical and paper processing, and glass etching. Advanced electret media and odor removing filter material. Made in USA. Sold per box.