3M 6075 Formaldehyde + A1 Gas and Vapour Filter (Pack of 8)For breathing protection against a combination of vapours, gases and particulates, use 3M Gas, Vapour and Particulate Filters. Simply choose the filter type thats suitable for your individual needs and requirements, align the connection and twist to lock into place. Theyre compatible with 3M's range of compatible reusable half and full face masks* (with a bayonet style connection) for safe working in a wide range of hazardous environments. The