3M Particulate Respirator 8233 N100 3M offers high quality respirators for welding and other metal fume environments. Our filtering facepiece respirators are compatible with welding hoods, face shields and safety glasses. 3M technologies, described below, provide for better performance in welding and related functions. Well suited for those who want NIOSH's highest rated filtration efficiency in a maintenance free respirator. It provides a minimum filter efficiency of 99.97% against non-oil based particles. This respirator is an excellent choice for lead abatement, pharmaceutical manufacturing, welding, metal pouring and work involving OSHA substance specific particle exposures in concentrations up to 10 x the OSHA PEL, excluding asbestos. It features the 3M™ Cool Flow™ Exhalation Valve, comfortable faceseal, adjustable straps, and lightweight construction. Protects against the following typical welding exposures: General Dust Hexavalent Chromium metal fume Steel/Manganese Alloys fume Stainless Steel fume Aluminum fume Glavanized Steel fume Cadmium fume Lead fume Free standard ground shipping within contiguous U.S. Availability: Usually ships the next business day. MMM8233$8.07 All prices shown are in U.S. Dollars The Cyberweld® name, logo and the slogan "Weld with your mouse"® are registered service marks of: J.W. Goodliffe & Son, Inc. 1900 E. Elizabeth Ave. P.O. Box 4370 Linden, NJ 07036 (800) 419-0580 FAX (908) 486-9366 Phone answered live M-F 8:00am to 4:30pm EST © 2000 - 2009. All rights reserved.