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3M FT32 - Bitter Solution Fit Test Solution
3M FT32 Fit Test Solution (Bitter) 55ml Bottle, for use with the FT30 Face Fit Testing Kit.
The FT30 Face Fit testing kit uses denatonium benzoate to produce a very bitter taste.
The choice between the bitter and sweet test kit is a personal one, however a small percentage of the population are unable to detect saccharin (used in the Sweet Test Solution) in which case the bitter test must be used.