The 3M™ ammonia methylamine filter 60924 is NIOSH approved to help provide respiratory protection against ammonia, methylamine and particulates. Use with 3M™ half and full facepieces 6000, 7000 and FF-400 Series. This ammonia/methylamine Cartridge/P100 filter can be used for a variety of applications, including agriculture, chemical manufacturing, laboratories and the food industry. Swept back design offers enhanced comfort and visibility. When properly fitted, helps provide respiratory protection from ammonia, methylamine as well as non-oil and oil particulates at concentrations up to 10X the permissible exposure limit (PEL) with half facepieces or 50X PEL with full facepieces. Full facepieces must be quantitatively fit tested to claim assigned protection factor above 10 in negative pressure mode. The 3M™ ammonia/methylamine/filter 60924 is not designed for use in environments that are immediately dangerous to life or health (IDLH). 3M™, 7000051992, Replaceable Cartridge, For Use With: 6000/7000/7500 Series Reusable Respirators and FF-400 Ultimate FX Full Facepiece Reusable Respirators, Ammonia/Methylamine Gas, OV/P100 Filter Class, Bayonet Connection, Fiberglass Paper, Green/Magenta