The humidity indicator card measures the level of relative humidity that packaged contents are exposed to. The three indicator spots measure humidity in percentages of 10 to 60% in increments of 10%. It comes in a can of 200.
The humidity indicator card measures the level of relative humidity that packaged contents are exposed to. The three indicator spots measure humidity in percentages of 10 to 60% in increments of 10%. It comes in a can of 200.