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Amazon.com: MQ Titanium Alloy 500W Aquarium Heater for Salt and Fresh Water, Digital LED Display Submersible Heater with External Thermostat Controller, for Fish Tank 70-80 Gallon : Pet Supplies
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Amazon.com: AQQA Aquarium Heater 200W for 45-80 Gallon Submersible Fish Tank Heater for Aquarium Betta Fish Heater Aquarium Thermostat Heater Freshwater and Saltwater (200W for 45-80 Gal) : Pet Supplies
Amazon.com: Woliver Aquarium Heater,25W/50W/100W Small Submersible Heater with External LED Digital Temp Controller Suit for Marine Saltwater and Freshwater Turtle Fish Tank Heater : Pet Supplies
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Amazon.com : Orlushy Submersible Aquarium Heater,150W Adjustable Fish Tahk Heater with 2 Suction Cups Free Thermometer Suitable for Marine Saltwater and Freshwater : Pet Supplies
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Amazon.com: hygger 300W Aquarium Heater for Fresh-Water Salt-Water, with External Digital Display Thermostat Controller and Thermometer, Auto Quartz Submersible Heater for Fish Tank 30-60 Gallon : Pet Supplies
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Amazon.com: ERAARK 500W Fish Tank Heater for 60–150 Gallon Submersible Aquarium Heater,External Temperature Controller LED Temperature Display Suitable for Marine Saltwater and Freshwater : Pet Supplies
Amazon.com: DaToo Aquarium Heater Adjustable 50W Submersible Fish Tank Heater with Electronic Chip Thermostat Suitable for Marine Saltwater and Freshwater : Pet Supplies
Submersible Aquarium Heater,100W/200W/300W Fish Tank Heater with Adjust Knob Thermostat for Marine Saltwater and Freshwater - Walmart.com
Amazon.com: fishkeeper 600W/800W Aquarium Heater, Double Tube Double Heating Speed Adjustable Fish Tank Heater Submersible Pond Water Heater for Saltwater Freshwater Tank 60-220 Gallon : Pet Supplies
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Amazon.com: hygger 200W Titanium Aquarium Heater for Salt Water and Fresh Water, Digital Submersible Heater with External IC Thermostat Controller and Thermometer, for Fish Tank 20-45 Gallon : Pet Supplies
Amazon.com: hygger 40-75 Gallon Small Aquarium Heater with LED Display Controller, Quartz Submersible Fish Tank Heater 300 W Saltwater Freshwater : Pet Supplies
Amazon.com: AQQA Aquarium Heater 100W Submersible Fish Tank Heater 10-30 Gallon Aquarium Betta Heater Small Aquarium with Suction Cups Thermostat Heater for Freshwater & Saltwater（100W） : Pet Supplies
Amazon.com: hygger Small Aquarium Betta Heater, Submersible Fish Tahk Heater 10W/25W/50W/100W with LED Digital Display, Suitable for Marine Saltwater and Freshwater up to 5/10/16/26 Gallon : Pet Supplies
