Rated for a 5-15 gallon Aquarium, 7.5 inches long
A simple "click" of the dial is all it takes to choose the ideal water temperature -- certified accurate to within one degree. The new Double-Suction Mounting bracket features an adjustable three-position window that makes viewing easy, too.. And, of course, every Visi-Therm Deluxe is CSA listed...designed to exacting standards for extended submersion and operational safety.