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Amazon.com: Aquatop 50W Aquarium Submersible Glass Heater – Fully Submersible For Fish Tanks Up To 13 Gallons, 68-93F Adjustable Temperature Range, Fresh & Saltwater Use, Aquarium Heaters, GH-50 : Pet Supplies
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Aquatop 50W Premier Glass Heater with Protective Guard - Fully Submersible for Fish Tanks Up to 13 Gallons, 68-93F Adjustable Temperature Range, Fresh & Saltwater Use, Aquarium Heaters, HTG-50 - Amazon.com
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Aquatop Aquatop-D1HTNano-50W Nano Aquarium Digital Heater with LED, 50-Watt : Amazon.ca: Pet Supplies
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