Filter P3 R 2135The P3 R filter is designed to protect against dust, mists, and other particles, including certain airborne biological contaminants. It is compatible with half and full-face masks from the 3M™ 6000, 6500QL, and 7500 series.Filter class – P3 RConnection type – 3M™ BayonetFilter type – particulate filterAdditional Information3M™ particulate filters with bayonet connection are CE-approved and provide convenient protection against a wide range of dusts, mists, and particles. The bayonet-style connection is compatible with all reusable 3M™ respirators with bayonet fittings, offering low breathing resistance and a well-balanced, slim, backward-curved profile designed to optimize your field of vision while wearing the respirator.