Fully submersible, European-made heater boasts premium features, simple operation and hobby-friendly price. Cobalt Aquatics Accu-Therm Heater is computer-tested accurate within ±0.2°F. Triac-equipped heater turns on and off at a lower voltage to extend life and reliable heater performance. Ceramic heat radiator and durable, borosilicate glass housing ensures even heat distribution and superior heat and shock resistance. On/off indicator light allows simple, visual confirmation of heater operation. Cobalt Aquatics Accu-Therm Heater is perfect for freshwater and saltwater aquariums and features a temperature range of 66-90°F.

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