Confusing: Paint Mask Should Not Be Used With Paint?

Confusing: Paint Mask Should Not Be Used With Paint?

Reader Mike is confused by this 3M Latex Paint and Odor Respirator with Valve. The front of the package lists “disposable aerosol spray paint cans” as something the mask “helps provide relief” from. However, the instructions seem to say that you shouldn’t use it with paint spray. What should he do?