3M Qualitative Fit Test Kit is a sweet respirator fit test to test the seal of a respirator against a person's face. 3M's Fit Test Kits may be used with any particulate respirator of any brand and also used with vapor and gas respirators with particulate filters. 3M Fit Test Kits ensure an initial good fit for respiratory protection and contributes to the reduction of poor fit. 3M Fit Test Kits are designed to fit test any negative-pressure respirator such as any 3M Disposable and Reusable Respirators. When introducing new respiratory equipment, and initial fit test is conducted and then repeated at a later date to ensure the proper fit. Fit test is easy to use simply by spraying the sweet solution into the hood environment and if a seet taste is not detected, it is an acceptable fit.