3M Qualitative Sweet Fit Test Apparatus is ideal for checking face-to-respirator seal on any particulate respirator or gas/vapor respirator with a particulate prefilter. Fit test apparatus is patterned to aid your organization meet OSHA fit testing requirements for respirators. It finds wide range of application in automotive, construction, manufacturing, metal production, fabrication, military maintenance, mining, oil, gas, pharmaceutical, transportation, food and beverage manufacturing.