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Amazon.com : Hitop 500W Digital Aquarium Heater, Submersible Large Fish Tank Heater with Temperature Display and External Controller for Fish Tank up to 150Gallon : Pet Supplies
![Amazon.com: fishkeeper 800W Upgraded Submersible Aquarium Heater, [Ultra-Safe] [Intelligent Thermostat] [Frequency Fast Heating] [Run-Dry & Overheat Protection] Fish Tank Heater for 80~220 Gallon Large Aquariums : Pet Supplies](https://m.media-amazon.com/images/I/71cxO1FYjTL._AC_UF1000,1000_QL80_.jpg "Amazon.com: fishkeeper 800W Upgraded Submersible Aquarium Heater, [Ultra-Safe] [Intelligent Thermostat] [Frequency Fast Heating] [Run-Dry & Overheat Protection] Fish Tank Heater for 80~220 Gallon Large Aquariums : Pet Supplies")
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200W Titanium Aquarium Heater Saltwater - hygger
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