Make sure this fits by entering your model number. Dual Temps Display and Larger Fahrenheit Number: Consider the temperature reading habits of different groups of people, these thermometer stickers are deigned with Fahrenheit and Celsius numbers, and Fahrenheit numbers are larger than Celsius numbers to adapt to the most local people reading habits. The numbers color is crystal white which is not dim, more noticeable and visible to check the temperature than black numbers of other brands. Used Externally and Keep Water Friends Safe: These temperature sticker is sticked on the outside of fish tank or aquarium directly. Compared to the themometers that you have to put in the tank, this external use characteristic keeps water friends from accessing & messing with themometer sticker, which guarantees water friends won't be bothered and prevents damage to the thermometer sticker caused by the large water friends' collisions.