Papr, standard size, blue, mark 2 replacement part, niosh/msha, meets ansi/ul 913 standard for intrinsically safe apparatus
NSN 5985-00-281-0810
NSN 5960-01-462-7704
NSN 5920-01-514-0031
NSN 5960-00-243-9155
NSN 6135-01-219-8612
NSN 6150-01-521-1170
NSN 5975-00-296-9966
NSN 5910-01-192-3739
NSN 5925-01-168-9670
NSN 5960-00-297-7099
NSN 5999-01-088-8747
NSN 4140-00-252-7734