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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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Rheem Commercial Universal Heavy Duty 100 Gal. 270K BTU Natural Gas Tank Water Heater G100-270-8 - The Home Depot
Watts 0212035 at Bay State Plumbing & Heating Supply Serving the Springfield, MA area - Springfield-Massachussetts
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50W/100W/300W Adjustable Aquarium Heater, Submersible Glass Water Heater for 5 – 70 Gallon Fish Tank - Walmart.com
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