hygger 50W Mini Inline Quartz Glass Aquarium Heater with External Controller, Adjustable Submersible Betta Fish Tank Thermostat for 5-15 Gallon : Amazon.ca: Pet Supplies
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Tetra HT Submersible Aquarium Heater With Electronic Thermostat, 50-Watt : Amazon.ca: Pet Supplies
50W Aquarium Heater Small Fish Tank Submersible Heater 75℉ Constant Temperature Turtle Heat Rod for Betta Frogs Newts Turtles : Amazon.ca: Pet Supplies
MantaMaze Aquarium Heater, 25W/50W Fish Tank Heater Small Automatic Thermostatic Betta/Turtle Tank Heater with Powerful Big Sucker for 1-12 Gallon Fish Tanks (Preset Temperature 78) 25W for 1-6 gallon
MantaMaze Aquarium Heater, 25W/50W Fish Tank Heater Small Automatic Thermostatic Betta/Turtle Tank Heater with Powerful Big Sucker for 1-12 Gallon Fish Tanks (Preset Temperature 78) 25W for 1-6 gallon