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Amazon.com: SunGrow Halfmoon Betta Heater, 10 Watts, for Small Tanks, Fully Submersible Aquarium Heater, Automatically Reaches Preset Temperature, Energy-Efficient Heating Module, Suction Cups Included : Pet Supplies
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Tawatiler Aquarium Heater,25W/50W Fish Tank Heater for 1-12 Gallon Fish Tanks,Small Automatic Thermostatic Betta/Turtle Tank Heater with Powerful Big Sucker(Preset Temperature 78℉) - Walmart.com
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Amazon.com: FREESEA Aquarium Fish Tank Heater: 100 Watt Submersible Betta Heater - Adjustable Thermostat with Thermometer for 15-25 Gallon Marine | Saltwater | Freshwater : Pet Supplies
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Amazon.com: Hydor Betta Bowl Slim Fish Tank Heater, 7.5-watt, measures 3.5 inches round, black; For tanks 2-5 gallons : Pet Supplies
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Amazon.com: Hydor Betta Bowl Slim Fish Tank Heater, 7.5-watt, measures 5.4L x 2.5W inches oval, black; For tanks 2-5 gallons : Pet Supplies
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Tawatiler Aquarium Heater,25W/50W Fish Tank Heater for 1-12 Gallon Fish Tanks,Small Automatic Thermostatic Betta/Turtle Tank Heater with Powerful Big Sucker(Preset Temperature 78℉) - Walmart.com
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Amazon.com: DaToo Mini Aquarium Heater 25W Small Fish Tank Heater 25 Watt with Free Thermometer Sticker : Pet Supplies
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