3M™ Sensitivity Solutions are used to test the sensitivity of the respirator wearer to a sweet or bitter solution. For use with 3M™ Qualitative Fit Test Apparatus Kits FT-10 (Sweet) and FT-30 (Bitter)Test kits and accessories designed to help your organisation meet regulatory fit testing requirements for respirators. Sensitivity solutions are used to identify whether the test recipient can detect the solution prior to wearing a respirator.