3M Gas, Vapour and Particulate Filters have a bayonet-style connection that fits a wide range of compatible half and full-face 3M Reusable Masks. The swept back profile is designed to optimise your field of vision. Our range of lightweight filters offer well-balanced breathing protection for hazardous environments. Simply choose the filter type that - s suitable for your individual needs and requirements, align the connection and twist to lock into place.