This document summarizes the specifications and use of the 3MTM Particulate Filter 5935. It notes that the filter has a P2/P3 rating, but only achieves the higher P3 protection level when used with a 3M full face respirator. When used with a 3M half face respirator, it only provides P2 level protection against particles. The document also outlines other features of the filter, as well as safety warnings and limitations of use.