They protect against gases and organic vapours (with a greater than 65 ° C boiling point) and particles combine protection with comfort and balance designed to optimize the field of vision light and low resistance to breathing connection type bayonet that was adapted to a wide range of half masks and reusable full masks from 3M™ engage easily, only you have to twist them until they click the filters for gases, vapours and particulate 3 M™ 6091 feature a bayonet that adapts to any half mask and mask complete 3M™, and are designed to optimize the field of view. These light filters offer balanced A1P3 R respiratory protection for hazardous environments. If you need A1P3 R respiratory protection against gases and organic vapours (with a greater than 65 ° C boiling point) and particles, use filters for gases, vapours and particles 3M™ 6091, compatible with our range of half masks and masks r...