You can also check Tetra HT Submersible Aquarium Heater With Electronic Thermostat and 6 PCS Suction Cup Clip Black for Aquarium Heater Tubing Hose Light 1 1/4" Dia for a better comparison at Aquariumheaters.us.

Plastic cover protects turtles, frogs, burningAlso protect heater accidental breakageFEATURES:Fully heaters work any (horizontal or provide optimum temperature.Safe and both fresh water between 65°F and reliable thermostat temperatureIncludes two suction when reached.Shatterproof Length of Heater of power Recommended Tank 8 gallon 50W 7.25" 2.875 16 gallon 2.875 33 200W 2.9 feet to 66 gallon 300W 2.9 feet 100 166 INCLUDES: heater1 piece of Heater Cover of Suction Cups for Selecting Using Aquarium minimum 3-5 watts is recommended your aquarium temperature level. of in larger aquariums even heat should always operate.
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