3M 06925 PRE FILTERS(Box20)FOR 06782 06783 7000 SERIES MASKS Particulate Filter protects against solids and liquid particles Suitable for use with 3M™ 6000 and 3M™ 7000 Series Half Face and Full Face Masks Bayonet fitting allows filters to be clicked into place for ease of fitting Particulate P2R filter protects against solids and liquid particles, for use with 3M™ 6000 and 3M™ 7000 Series Half Face Masks.