A-A-1633, COMMERCIAL ITEM DESCRIPTION: RESPIRATOR, AIR FILTERING (DUST AND MIST) (14-MAY-1981) [NO S/S DOCUMENT]

A-A-1633, COMMERCIAL ITEM DESCRIPTION: RESPIRATOR, AIR FILTERING (DUST AND MIST) (14-MAY-1981) [NO S/S DOCUMENT]., This commercial item description covers disposable respirators that afford protection against toxic dusts and mists.