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500W Aquarium Heater Submersible Adjustable Temperature Fish Tank Heater 105 gal | eBay
DaToo 500W Aquarium Heater PTC Fast Heating Fish Tank Heater 500 Watt Submersible with LED Digital Temperature Controller for 60 to 120 Gallon, 1 Yr Warranty - Walmart.com
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Aquarium Submersible Water Heater - hygger
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