3M Qualitative Fit Test Apparatus Kit & SolutionsEnsure your protection fits and works as required by law! The biggest contributor to reduced respiratory protection is poor fit. Conducting a fit test, is mandatory. It ensures that tight fitting face masks provide an adequate seal to the wearers face. So, a fit test is now required for compliance to AS NZS1715: 2009. The 3M Qualitative Fit Test apparatus FT 10 Sweet (Saccharin) and FT 30 Bitter (Bitrex) are designed for fit testing disposable and