K 3M Infection Prevention N95 Particulate Respirators,1860 ...
A. 3M offers two models of respirators approved by NIOSH as an N95 respirator: the 1860 model (also available as 1860S small) and the 1870 model. The 1860 is a traditional cup shaped respirator where as the 1870 is a three-fold, flat panel respirator. The 1870 …