These respirators are of convex shape design which are lightweight and have a collapse resistant shell. V-2400 series respirators have superior micro-fine media technology which protects the user from respirable suspended particulate matter. The filters have a high dust holding capacity which do not get clogged thereby increasing the respirators life. These respirators also come with a special transparent valve cap to demonstrate the performance of the valve. V-2400 series respirators have NR D Anti clogging mark. These series of respirators have passed dolomite test and can resist clogging in very high dust environments. V-2400 series respirators have the headband sewn on the outside filter media to avoid puncture in the filter area and provide a leak-proof fit. V-2400 series respirators have latex free textile elastic which is skin friendly, has a long life and does not deform with repeat wears under high temperature. V-2400 series of respirator comes with a unique Nose liner inside the mask which prevents leakage and provides a comfortable fit. V-2400 series of respirators has a full foam seal which absorbs perspiration, offering more comfort and improves fitting and safety.