Size (length*width*height): 20cm x 20cm x 20cm

With water temperature being such a critical factor for the well-being of fish, its important to have a good thermometer. This Marina Standing Thermometer is designed to sink to the bottom of the aquarium and remain in a vertical position. Accurate and easy to read, it provides temperature readings in Centigrade and Fahrenheit. It also has a safety zone temperature range indicator for most tropical fish. For fresh or saltwater aquariums.