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Amazon.com: Uniclife 100 Watt Aquarium Heater with Thermometer, Fish Tanks Heater for 10-25 Gallon : Pet Supplies
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Uniclife HT-2300 Submersible Aquarium Heater with Thermometer and Suction Cup, 300-Watt - Walmart.com
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300 Watt/500 Watt Aquarium Heater - hygger
100 Watt Aquarium Heater with Thermometer Fish Tanks Heater for 10-25 Gallon | eBay
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Amazon.com: FREESEA 50 Watt Aquarium Submersible Betta Heater with Aquarium Submersible Thermometer : Pet Supplies
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100W ETL Certification Aquarium Heater - hygger
