Used with 3M™ Qualitative Fit Test Apparatus FT-10 and FT-30 and 3M™ Training and Fit Testing Case FT-20 as the test environment for sweet and bitter solution. Test kits and accessories designed to help your organization meet OSHA fit testing requirements for respirators. The products can be used to check face-to-respirator seal on any particulate respirator or gas/vapor respirator with a particulate filter.