NIOSH approved against ammonia and methylamine. Use with 3M™ Half and Full Facepieces 6000 Series and 3M™ Half and Full Facepieces 7000 Series with bayonet style cartridge holders. Use in a variety of applications including agriculture, chemical manufacturing, laboratories and the food industry. When properly fitted, helps provide respiratory protection from ammonia and methylamine at concentrations up to 10 times the Permissible Ex