3M™ Particulate Filter offering P2 R protection against solid and liquid particles Designed for use in combination with 3M™ Gas and Vapour Filters 6000 Series using the 3M™ Filter Retainer 501 or used separately using a 3M™ 603 Filter Platform and a 3M™ Filter Retainer 501 Filters can be used on all 3M™ Half and Full Face Masks fitted with a bayonet connections system Bayonet fitting allows filters to be clicked into place for ease of fitting