3M Paint Project Respirator, used by professionals for certain paint spraying, solvents and pesticides, provides at least 95% filtration efficiency against solid and liquid aerosols including oils in additional to using it to help protect against certain organic vapors. Each respirator kit contains (1) face piece, (1) pair of 6001 cartridges, (1) pair of 501 retainers and (2) pair of 5P71 filters. 3M Paint Project Respirator is a great choice in respiratory protection for the pro.