Amazon.com: YukiHalu USB Powered Aquarium Heater, 10W/20W/30W Adjustable Mini Fish Tank Heater with External Temperature Controller, LED Display, Used for 0.5-1 Gallon Tank (10W USB) : Pet Supplies
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
Amazon.com : Fluval P10 Submersible Aquarium Heater for Up to 3 Gallons, 10 Watts : Pet Supplies
Amazon.com: FREESEA 100 Watt Aquarium Fish Tank Heater with Aquarium Submersible Thermometer : Pet Supplies
Amazon.com: DaToo Mini Aquarium Heater 25W Small Fish Tank Heater 25 Watt with Free Thermometer Sticker : Pet Supplies
Amazon.com: AQQA Submersible Aquarium Heater,100W/200W/300W/500W/800W/1200W Fish Tank Heater,External Temperature Controller LED Temperature Display with 2 Suction Cups Suitable for Saltwater and Freshwater : Pet Supplies
Amazon.com: Aqueon Submersible Aquarium Heater, 50 Watts, Up to 20 Gallons : Pet Supplies
Amazon.com : HITOP Outdoor Pond Heater - 300W 600W Aquarium Heater for Small Ponds, Ponds De-icer with Long Cable Wire and Floatable Foam : Patio, Lawn & Garden
Amazon.com : Orlushy Submersible Aquarium Heater,300W Adjustable Fish Tahk Heater with 2 Suction Cups Free Thermometer Suitable for Marine Saltwater and Freshwater : 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: INKBIRDPLUS 300W Submersible Aquarium Heater Titanium Fish Tank Auto Thermostat with LED Digital Temperature Readout and External Temperature Controller for Salt Water and Fresh Water : Pet Supplies
Amazon.com: Aquatop 500W Titanium Heater with Controller - Fully Submersible For Fish Tanks Up To 150 Gallons, 68-92 Adjustable Temperature, Durable Water Heater, Aquarium Heater For Turtles & Large Fish, TH-C500 :
Amazon.com: Kulife Fumak Super Mini Aquarium Heater 10W Betta Heater Small Aquarium Heater Adjustable Submersible Fish Tank Heater Turtle Heater with Digital Display Thermostat, for 1-2 Gallon Tanks : Pet Supplies
Amazon.com: FREESEA 50W Mini Aquarium Heater Fish Tank Submersible Heater with LED Temperature Display : Pet Supplies
Amazon.com: AquaMiracle® Adjustable 200W Aquarium Heater Submersible Fish Tank Heater Super Short Aquarium Heater with LED Digital Display Thermostat, for Tanks 20-40 Gallons : Pet Supplies
Amazon.com: HiTauing Aquarium Heater, 50W/100W/200W/300W/500W Submersible Fish Tank Heater with Over-Temperature Protection and Automatic Power-Off When Leaving Water for Saltwater and Freshwater : 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 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: 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: FUMAK Mini Aquarium Heater Adjustable 25W Submersible Fish Tank Heater with LED Digital Display, Turtle Tank Heater Small Aquarium Heater, Ideal for 2-5 Gallons Tanks : 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: Fish Tank Aquarium Heater - Adjustable Temperature Submersible Thermostat Heater,25W/50W/100W/150W/200W/300W : Pet Supplies
Amazon.com: Hydor Theo Shatterproof Aquarium Heater, 25-Watt & Ideal For 2 To 7 Gallon Fish Tanks, 7-Inches Long : Pet Supplies
