As with any application requiring respiratory protection, which respirator cartridge you may need depends on the type of paint and its chemical make-up. It is always best to consult the Safety Data Sheet (SDS) to review the composition information (Section 3 of the SDS) and to see if a respirator suggestion is provided (Section 8 of the SDS). Some other factors that need to be known before a decision is made about appropriate respiratory protection are:

Source: 3M Respirator Selection and Use - http://solutions.3m.com/wps/portal/3M/en_US/3M-PP...