Product Information
The Guardian is the only UL-listed aquarium heater. The submersible unit features an unbreakable metal tube, which protects it from aggressive fish like large cichlids. The Guardian was designed to successfully pass 12 rigorous safety tests and it includes a safety shut-off. It is preset for 72 degrees.
Item #67311-58 is a a 50W heater and is designed to heat aquariums up to 10 gallons.
Item #69394-06 is a 110 W heater and is designed to heat aquariums up to 20 gallons.
Item #69394-17 is a 150W heater and will heat aquariums up to 30 gallons.
Item #69394-21 is a 200 W heater and will heat aquariums up to 40 gallons.
Item #69394-31 is a 250W heater and will heat aquariums up to 60 gallons.
Item #69394-36 is a 300W heater and will heat aquariums up to 200 gallons.
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