3M Abek2P3R Filter Bayonet Fitting System White 6099 (Pack of 4) The 3M 6099 Filters protect against organic vapours (boiling point above 65°C, inorganic vapours, acid gases, ammonia and its derivatives, mercury, formaldehyde up to 10ppm and particulates Filters are specially designed and shaped to give "swept-back" position to enable excellent field of vision and balance. Lightweight, Low breathing resistance, Well balanced when fitted to a mask, Provides excellent field of vision as a result o