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Amazon.com: HITOP Mini Submersible Aquarium Heater - 300W Digital Heater for Fish Tank Turtle Tank 45-70 Gallon, Saltwater and Fresh Water with Temperature Controller (300W) : Pet Supplies
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Oenbopo Small Submersible Aquarium Heater, 10W USB Mini Fish Tank Heater with Built-in Thermometer, External Temperature Controller, LED Display, Used for 5/10/20/40 Gallons - Walmart.com
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Oenbopo Small Submersible Aquarium Heater, 10W USB Mini Fish Tank Heater with Built-in Thermometer, External Temperature Controller, LED Display, Used for 5/10/20/40 Gallons - Walmart.com
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