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Submersible Aquarium Heater, 50W Fish Tank Heater with External Digital Controller, Suitable for Saltwater and Freshwater, 1Pcs - Walmart.com
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Amazon.com: INKBIRDPLUS 300W Submersible Aquarium Heater Titanium Fish Tank Auto Thermostat with LED Digital Temperature Readout and External Temperature Controller for Salt Water and Fresh Water : Pet Supplies
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500W Adjustable Titanium Aquarium Heater Submersible Fish Tank Heater Thermostat – ASA College: Florida
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