3M™ 4255+ Reusable Half Mask, FFA2P3RD Filters 3M™ The 3M™ 4255+ reusable half mask with FFA2P3RD filters provides reliable respiratory protection against organic vapors and particles, making it suitable for industrial applications including painting, maintenance, manufacturing, and workshop operations; integrating keywords such as half mask, respiratory protection, FFA2P3RD filters, and industrial safety. Learn more