3M 6051 Gas Vapour Filters - Class 1 (Pairs). For A1 breathing protection against organic gases and vapours (boiling point above 65 °C) use 3M™ Gas and Vapour Filters, 6051. 3M™ A1 Gas and Vapour Filters 6051 protect against organic vapours with boiling points above 65°C. Suitable for use with all 3M half and full face masks.
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