Visi-Therm Automatic Aquarium Heater

Frigid fish? Show some warmth by installing the Visi-Therm Automatic Aquarium Heater. This compact heater offers a number of advanced features that make it easier to use and more reliable than other heaters. A direct-reading, thermometer-type scale makes presetting temperatures a cinch, and it's completely waterproof and totally submersible.

Visi-Therm Automatic Aquarium Heater: A direct-reading, thermometer-type scale makes presetting temperatures easy Completely waterproof and totally submersible Double-sealed and needs no rubber or plastic cap over the adjustment stem Compact design Available in 6-, 10-, 12- and 14-inch lengths Choose from the following wattages: 50, 100, 150, 200, 300