The 3M™ Nebulizer FT-13 is used with the 3M™ Qualitative Fit Test Apparatus FT-10, 3M™ Qualitative Fit Test Apparatus FT-30 and the 3M™ Training and Fit Testing Case FT-20.3M provides test kits and accessories designed to help your organization meet CSA respiratory standard Z94.4 and US OSHA fit testing requirements for respirators. This accessory is part of a kit that can be used to check face-to-respirator seal on any particulate respirator or gas/vapour respirator with a particulate prefilter.