Aquatop, Submersible Glass Aquarium Heater, 300 W

Maintain constant and stable temperatures for your aquatic creatures to thrive with AquaTops GH-300 aquarium heater. This fully submersible glass heater offers simple and easy installation with the use of the included suction cups.  With the highly visible temperature setting, the GH-300 is easy to set and adjust to the desired temperature with the use of the Temperature Adjustment Knob. This powerful aquarium heater also has double insulation and is made from high quality insulated glass.