3M P1 PRE-FILTER HALF/FULL PK15P1 R, P2 R and P3 R protection against solid and liquid particlesCan be used with any 3M™ Reusable Masks that feature a bayonet-style connectionFor use with any 3M™ Gas and Vapour Filters, 6000 seriesDesigned to optimise your field of visionHelp you work safely in hazardous environments3M 05911 Particulate Filters 5000 Series can be used with 6000 series filters for combined gas and particulate protection (in conjunction with a 501 filter retainer), and are designed to optimise your field of vision. Our filters are lightweight and feature a bayonet-style connection fitting.For flexible P1 R, P2 R and P3 R protection against solid and liquid particles, use 3M™ Particulate Filters 5000 Series. They add protection against particulates when used with 3M™ Gas and Vapour Filters, 6000 Series (using the 3M™ Filter Retainer 501). Our lightweight particulate filters help you work safely in hazardous environments. They’re designed to optimise your field of vision, and they can be used with any 3M™ Gas and Vapour Filters, 6000 series and 3M™ Reusable Masks that feature a bayonet-style connection.For use with 3M™ Reusable Masks that feature a bayonet-style connectionSafe working in hazardous environments