Amazon.com: hygger 50W Mini Inline Quartz Glass Aquarium Heater with External Controller, Adjustable Submersible Betta Fish Tank Thermostat for 5-15 Gallon : Pet Supplies
Amazon.com: SZELAM Aquarium Heater 200W 300W 500W, Submersible Fish Heater for Freshwater and Saltwater Fish Tank Heater, Explosion-Proof and Anti-overheating, Fast Heating, Fish Tank Heater for 20-105 Gollon : Pet Supplies
Amazon.com: HITOP Mini Submersible Aquarium Heater - 200W Digital Heater for Fish Tank Turtle Tank 25-50 Gallon，Saltwater and Fresh Water with Temperature Controller : Pet Supplies
Amazon.com: AQQA Aquarium Heater, 1200W Fish Tank Heater Submersible Betta Fish Heater for Aquarium Thermostat Pond Heater for Freshwater and Saltwater (1200W for 150-300 Gallon Tank) : Pet Supplies
Amazon.com: FEDOUR Adjustable Aquarium Heater with Protective Cover, 30W 50W 60W 120W Submersible Heater Thermostat for 5-40Gallon Fish and Turtle Tank (50W for 5-15Gallon) : Pet Supplies
Amazon.com: DaToo Mini Aquarium Heater 25W Small Fish Tank Heater 25 Watt with Free Thermometer Sticker : Pet Supplies
Amazon.com: Betta Fish Tank Heater, 25W Mini Aquarium Heaters Free 2 Artificial Plants 1 Stick-on Thermometer Strip 2 Suction Cups, Water Warmer Temperature Controller Smart Thermostat for 3-5 Gallon Tank : Pet Supplies
Amazon.com: FREESEA Aquarium Fish Tank Heater: 25 Watt Mini Submersible Heater Adjustable Thermostat for 1-5 Gallon Betta | Turtle : Pet Supplies
Amazon.com: PULACO 25W Small Aquarium Betta Heater with Free Thermometer Strip, Under 6 Gallon Fish Tanks (Preset Temperature 78℉) : Pet Supplies
Amazon.com: Hitop 50W/100W/300W Adjustable Aquarium Heater, Submersible Glass Water Heater for 5 – 70 Gallon Fish Tank (50W for 5-15 Gallon) : Pet Supplies
Amazon.com: Kulife Fumak 25W Adjustable Aquarium Heater Super Short Submersible Fish Tank Heater Fish Heater with LED Digital Display Thermostat, for Tanks 3-5 Gallons : Pet Supplies
Amazon.com: HITOP 25W 50W 100W 200W 300W Adjustable Aquarium Heater, Submersible Fish Tank Heater Thermostat with Suction Cup (50W) : Pet Supplies
Amazon.com: Uniclife 100 Watt Aquarium Heater with Thermometer, Fish Tanks Heater for 10-25 Gallon : Pet Supplies
Amazon.com : Uniclife Aquarium Heater 25W/50W/100W/200W Adjustable Submersible Heating Rod with Electronic Thermostat LED Indicator Light and Thermometer Sticker for Freshwater Marine Fish Tanks : Pet Supplies
Amazon.com: Aqueon Submersible Aquarium Heater, 50 Watts, Up to 20 Gallons : Pet Supplies
Amazon.com : SILICAR Mini Aquarium Heater, 20W Fish Tank Heater with Built-in Thermometer, LED Display, External Temperature Controller, Submersible Turtle Tank Heater for 0.5-1 Gallon : Pet Supplies
Amazon.com: hygger 100W Mini Submersible Digital Display Aquarium Heater for Small Fish Tank, Compact and Fast Heating Thermostat, with External Controller and Built-in Thermometer, for Betta, Turtle : Pet Supplies
Amazon.com: BOEESPAT Aquarium Heater 100W Fish Tank Heater with Anti Scald Protector and Aquarium Thermometer, Fully Submersible Fish Heater for Marine Saltwater and Freshwater (100) : Pet Supplies
Amazon.com : Hydor Theo Shatterproof Aquarium Heater, 25-Watt & Ideal For 2 To 7 Gallon Fish Tanks, 7-Inches Long : Pet Supplies
Amazon.com: SunGrow Halfmoon Betta Heater, 10 Watts, for Small Tanks, Fully Submersible Aquarium Heater, Automatically Reaches Preset Temperature, Energy-Efficient Heating Module, Suction Cups Included : Pet Supplies
Amazon.com: Tetra HT Submersible Aquarium Heater With Electronic Thermostat, 50-Watt, 2-10 Gallon : Pet Supplies
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: Hydor Betta Bowl Slim Fish Tank Heater, 7.5-watt, measures 3.5 inches round, black; For tanks 2-5 gallons : Pet Supplies
Amazon.com: AquaMiracle 50W Small Aquarium Heater Submersible Fish Tank Heater Betta Heater, Easy Operation with Preset Temperature 78℉(26℃), for Tanks up to 10 Gallon : Pet Supplies
Amazon.com: GloFish Submersible Heater 50 Watts, for Aquariums Up to 10 Gallons, UL Listed,BLACK : Pet Supplies
Amazon.com: Tetra HT Submersible Aquarium Heater With Electronic Thermostat, 50-Watt, 2-10 Gallon : Pet Supplies
Amazon.com: AquaMiracle Adjustable 10W Small Aquarium Heater Submersible Fish Tank Heater Betta Heater Turtle Heater Super Mini Aquarium Heater with Digital Display Thermostat, for 1-2 Gallon Tanks : Pet Supplies
Amazon.com: BOEESPAT Small Aquarium Heater 50W Fish Tank Heater for 5/10 Gallon Betta Fish with LED Temperature Controller and Smart Thermostat : Pet Supplies
