Place these strips securely to the dishwasher rack and the thermocromatic color change band will verify that the proper sanitizing temperature is reached during the washing operation. These strips are accurate to ± 2° F.Model #: 8766 For use with dishwashers Thermocromatic color-change band verifies proper sanitizing Strip can be removed, signed, dated and saved Comply with FDA 160° F / 71° C minimum required temperature Accurate to ± 2° F 25 strips per pack 630557