![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 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](https://m.media-amazon.com/images/I/61N1oa6ceFL.jpg)
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
![Hygger 500W 300W Digital Quartz Aquarium Heater, Fast Heating Submersible Thermostat for Fish Tank 30-120 Gallon, Temp Controller (500W (for 60-120 Gallon)) - Walmart.com Hygger 500W 300W Digital Quartz Aquarium Heater, Fast Heating Submersible Thermostat for Fish Tank 30-120 Gallon, Temp Controller (500W (for 60-120 Gallon)) - Walmart.com](https://i5.walmartimages.com/asr/e4597023-340d-4a46-a9b8-e189b7ed8a63.05a0b1bb66c220d176f4be45a083b6bc.jpeg)
Hygger 500W 300W Digital Quartz Aquarium Heater, Fast Heating Submersible Thermostat for Fish Tank 30-120 Gallon, Temp Controller (500W (for 60-120 Gallon)) - Walmart.com
![Hx-626 Submersible Aquarium Heater 50w With Thermometer And Extra Sucker Cup (european Regulations 50w) | Fruugo QA Hx-626 Submersible Aquarium Heater 50w With Thermometer And Extra Sucker Cup (european Regulations 50w) | Fruugo QA](https://img.fruugo.com/product/4/16/202920164_max.jpg)
Hx-626 Submersible Aquarium Heater 50w With Thermometer And Extra Sucker Cup (european Regulations 50w) | Fruugo QA
![500W Adjustable Titanium Aquarium Heater Submersible Fish Tank Heater Thermostat – ASA College: Florida 500W Adjustable Titanium Aquarium Heater Submersible Fish Tank Heater Thermostat – ASA College: Florida](https://i.ebayimg.com/images/g/sA8AAOSwCj5hcjoz/s-l1600.jpg)
500W Adjustable Titanium Aquarium Heater Submersible Fish Tank Heater Thermostat – ASA College: Florida
![Oenbopo Small Submersible Aquarium Heater, 10W USB Mini Fish Tank Heater with Built-in Thermometer, External Temperature Controller, LED Display, Used for 5/10/20/40 Gallons - Walmart.com Oenbopo Small Submersible Aquarium Heater, 10W USB Mini Fish Tank Heater with Built-in Thermometer, External Temperature Controller, LED Display, Used for 5/10/20/40 Gallons - Walmart.com](https://i5.walmartimages.com/asr/4c4ce44d-901c-4cec-9885-91ff0f3296aa.e1d6ae6824634647034ca1aac8ef7946.jpeg)
Oenbopo Small Submersible Aquarium Heater, 10W USB Mini Fish Tank Heater with Built-in Thermometer, External Temperature Controller, LED Display, Used for 5/10/20/40 Gallons - Walmart.com
![HiTop Aquarium Fish Tank Heater for Turtles and Reptiles With Thermometer 50w 10 for sale online | eBay HiTop Aquarium Fish Tank Heater for Turtles and Reptiles With Thermometer 50w 10 for sale online | eBay](https://i.ebayimg.com/images/g/bIQAAOSwAXFiTOI3/s-l400.jpg)
HiTop Aquarium Fish Tank Heater for Turtles and Reptiles With Thermometer 50w 10 for sale online | eBay
![Amazon.com: PULACO 25W Small Aquarium Betta Heater with Free Thermometer Strip, Under 6 Gallon Fish Tanks (Preset Temperature 78℉) : Pet Supplies Amazon.com: PULACO 25W Small Aquarium Betta Heater with Free Thermometer Strip, Under 6 Gallon Fish Tanks (Preset Temperature 78℉) : Pet Supplies](https://m.media-amazon.com/images/I/61PrJ9gAPSS._AC_UF1000,1000_QL80_.jpg)
Amazon.com: PULACO 25W Small Aquarium Betta Heater with Free Thermometer Strip, Under 6 Gallon Fish Tanks (Preset Temperature 78℉) : 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: FREESEA Aquarium Fish Tank Heater: 100 Watt Submersible Betta Heater - Adjustable Thermostat with Thermometer for 15-25 Gallon Marine | Saltwater | Freshwater : Pet Supplies](https://m.media-amazon.com/images/I/61qXFexDrVL._AC_UF1000,1000_QL80_.jpg)
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: Uniclife 100 Watt Aquarium Heater with Thermometer, Fish Tanks Heater for 10-25 Gallon : Pet Supplies Amazon.com: Uniclife 100 Watt Aquarium Heater with Thermometer, Fish Tanks Heater for 10-25 Gallon : Pet Supplies](https://m.media-amazon.com/images/I/61hqD4xra-L.jpg)
Amazon.com: Uniclife 100 Watt Aquarium Heater with Thermometer, Fish Tanks Heater for 10-25 Gallon : Pet Supplies
![Amazon.com: hygger 500W Titanium Aquarium Heater for Salt Water and Fresh Water, Digital Submersible Heater with External IC Thermostat Controller and Thermometer, for Fish Tank 60-120 Gallon : Pet Supplies Amazon.com: hygger 500W Titanium Aquarium Heater for Salt Water and Fresh Water, Digital Submersible Heater with External IC Thermostat Controller and Thermometer, for Fish Tank 60-120 Gallon : Pet Supplies](https://m.media-amazon.com/images/I/61+fu-meRSL.jpg)
Amazon.com: hygger 500W Titanium Aquarium Heater for Salt Water and Fresh Water, Digital Submersible Heater with External IC Thermostat Controller and Thermometer, for Fish Tank 60-120 Gallon : Pet Supplies
![Amazon.com: BOEESPAT Aquarium Heater 300W Fish Tank Heater with Anti Scald Protector and Aquarium Thermometer, Fully Submersible Fish Heater for Marine Saltwater and Freshwater (40 to 60 gallons) : Pet Supplies Amazon.com: BOEESPAT Aquarium Heater 300W Fish Tank Heater with Anti Scald Protector and Aquarium Thermometer, Fully Submersible Fish Heater for Marine Saltwater and Freshwater (40 to 60 gallons) : Pet Supplies](https://m.media-amazon.com/images/I/71aVfHdMjiL.jpg)
Amazon.com: BOEESPAT Aquarium Heater 300W Fish Tank Heater with Anti Scald Protector and Aquarium Thermometer, Fully Submersible Fish Heater for Marine Saltwater and Freshwater (40 to 60 gallons) : Pet Supplies
![Amazon.com: FREESEA 50 Watt Aquarium Submersible Betta Heater with Aquarium Submersible Thermometer : Pet Supplies Amazon.com: FREESEA 50 Watt Aquarium Submersible Betta Heater with Aquarium Submersible Thermometer : Pet Supplies](https://m.media-amazon.com/images/I/71UpSTTTLKL.jpg)
Amazon.com: FREESEA 50 Watt Aquarium Submersible Betta Heater with Aquarium Submersible Thermometer : Pet Supplies
![Aquarium Heater Heating Rod With Electronic Thermostat Led Indicator Light And Thermometer Sticker For Freshwater Marine Fish Tanks | Fruugo NO Aquarium Heater Heating Rod With Electronic Thermostat Led Indicator Light And Thermometer Sticker For Freshwater Marine Fish Tanks | Fruugo NO](https://img.fruugo.com/product/0/81/890945810_max.jpg)
Aquarium Heater Heating Rod With Electronic Thermostat Led Indicator Light And Thermometer Sticker For Freshwater Marine Fish Tanks | Fruugo NO
![Aquarium Fish Tank Heater Submersible Thermostat Heater Adjustable with Suction Cup for Aquarium Freshwater Accessories _ - AliExpress Mobile Aquarium Fish Tank Heater Submersible Thermostat Heater Adjustable with Suction Cup for Aquarium Freshwater Accessories _ - AliExpress Mobile](https://ae01.alicdn.com/kf/H376355227bc34932b2204f06697c8c46q/Aquarium-Fish-Tank-Heater-Submersible-Thermostat-Heater-Adjustable-with-Suction-Cup-for-Aquarium-Freshwater-Accessories.jpg)
Aquarium Fish Tank Heater Submersible Thermostat Heater Adjustable with Suction Cup for Aquarium Freshwater Accessories _ - AliExpress Mobile
![Uniclife HT-2300 Submersible Aquarium Heater with Thermometer and Suction Cup, 300-Watt - Walmart.com Uniclife HT-2300 Submersible Aquarium Heater with Thermometer and Suction Cup, 300-Watt - Walmart.com](https://i5.walmartimages.com/asr/2b73c5c8-8dfa-48f8-b06b-1e186d704177_1.413c5f307a3d1f3a3484ec3f7b6a43c4.jpeg?odnHeight=768&odnWidth=768&odnBg=FFFFFF)