Floating Thermometer with Suction Cup

An accurate and easy to read glass thermometer. Features a suction cup that allows the thermometer to be attached to the interior of the aquarium. Suction cup can be easily removed for use as a free-floating thermometer. Has a green safety zone indicator to show the best temperature range for most tropical fish. Each thermometer measures approximately 4" tall. Range: 0 to 40 degrees C and 40 to 100 degrees Fahrenheit. For fresh or saltwater use.