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50/25W Aquarium Heater Betta Fish Tank Heater For Small Fish Tanks 1-5 Gallon | eBay
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3 Best small aquarium heaters for tiny tanks 1 - 10 gallons
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Amazon.com: Mylivell Aquarium Heater 25W 50W 100W 200W 300W Submersible Auto Thermostat Fish Tank Heater, Small Aquarium Heater for 10-100 Gallon Fish Tank, Freshwater & Saltwater Compatible : Pet Supplies
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SZELAM 100W/300W/500W/800W Aquarium Heater Submersible Fish Tank Heaters with Intelligent Temperature Probe and LED Display External Temperature Controller,for Fish Tank 5-158 Gallons 300W (for 26-79 gallon tank)
DaToo 25W Mini Aquarium Heater Betta Small Fish Tank Heater Submersible 3 to 5 Gallon, 1 Yr Warranty - Walmart.com
Amazon.com: FREESEA Aquarium Fish Tank Heater: 100 Watt Submersible Betta Heater - Adjustable Thermostat with Thermometer for 15-25 Gallon Marine | Saltwater | Freshwater : Pet Supplies
Amazon.com: Marina Betta Fish 8W Submersible Heater - For Fish Tank Aquariums up to 1.5 US Gallons (5 L) : Pet Supplies
5 Gallon Mini Inline Fish Tank Heater - Hygger
Amazon.com: DaToo 10 Watt Small Aquarium Heater Mini Betta Flat Fish Tank Heater for 1 Gallon 1.5 Gallon : Pet Supplies
