3M Particulate Filters 2138 offer P3 R protection against solid and liquid particles, organic vapours and acid gas as well as ozone up to 10 x Nominal Protection Factor. Suitable for use with 3M all 3M Reusable Half and Full Face Masks featuring the Bayonet Filter Connection System. -Extremely lightweight -Low breathing resistance -Low profile gives unobstructed field of vision -3M Particulate Filters 2138 offer P3 R protection against solid and liquid particles, with extra protection against organic and acid gases, vapours under limit, as well as ozone up to 10 x TLV. Additionally against organic vapour and acid gases below OEL -Suitable for use with 3M all 3M Reusable Half and Full Face Masks featuring the Bayonet Filter Connection System -Bayonet fitting allows filters to be clicked into place for ease of fitting
