Used with the 3M(TM) Qualitative Fit Test Apparatus FT-10, FT-30 and the 3M(TM) Training and Fit Testing Case FT-20. 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 prefilter.