3M Qualitative Fit Test Apparatus Accessories Case FT-31 by 3M Health Care GROUP: Protective Apparel :Apparel:Masks Item Description: Sensitivity Solution, Bitter, 55ml Bottle, 6/Case Packaging Desc: Sensitivity Solution Bitter6/Case Country of Origin: Harmonized Tariff Code: 3824.90.9290 Product Description: Test kits and accessories designed to help your organization meet OSHA fit testing requirements for respirators. Products can be used to check face-to-respirator seal on any particulate respirator or gas/vapor respirator with a particulate prefilter.