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SUNGROW Betta & Turtle Submersible Aquarium Tank Water Heater with Thermostat, 10-watt, up to 5-gal - Chewy.com
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YukiHalu Small Submersible Aquarium Heater, Mini Fish Tank Heater 25W 50W 100W 200W with Built-in Thermometer, External Temperature Controller, LED Display, Used for 5/10/20/40 Gallons 25 Watts
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Uniclife Aquarium Heater Submersible with Thermometer, 50 Watt for 10 Gallon Fish Tank : Amazon.in: Pet Supplies
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