![Amazon.com: hygger 40-75 Gallon Small Aquarium Heater with LED Display Controller, Quartz Submersible Fish Tank Heater 300 W Saltwater Freshwater : Pet Supplies Amazon.com: hygger 40-75 Gallon Small Aquarium Heater with LED Display Controller, Quartz Submersible Fish Tank Heater 300 W Saltwater Freshwater : Pet Supplies](https://m.media-amazon.com/images/I/61PYjiY79eL._AC_UF1000,1000_QL80_.jpg)
Amazon.com: hygger 40-75 Gallon Small Aquarium Heater with LED Display Controller, Quartz Submersible Fish Tank Heater 300 W Saltwater Freshwater : Pet Supplies
![Amazon.com: FREESEA Aquarium Fish Tank Heater: 75 Watt Mini Submersible Water Heater with Digital Temperature Display - Adjustable External Controller for Betta | Turtle | Goldfish | 5-15 Gallon : Pet Supplies Amazon.com: FREESEA Aquarium Fish Tank Heater: 75 Watt Mini Submersible Water Heater with Digital Temperature Display - Adjustable External Controller for Betta | Turtle | Goldfish | 5-15 Gallon : Pet Supplies](https://m.media-amazon.com/images/I/61g+F5jcuLL.jpg)
Amazon.com: FREESEA Aquarium Fish Tank Heater: 75 Watt Mini Submersible Water Heater with Digital Temperature Display - Adjustable External Controller for Betta | Turtle | Goldfish | 5-15 Gallon : Pet Supplies
![Amazon.com: hygger 40-75 Gallon Small Aquarium Heater with LED Display Controller, Quartz Submersible Fish Tank Heater 300 W Saltwater Freshwater : Pet Supplies Amazon.com: hygger 40-75 Gallon Small Aquarium Heater with LED Display Controller, Quartz Submersible Fish Tank Heater 300 W Saltwater Freshwater : Pet Supplies](https://m.media-amazon.com/images/S/aplus-media-library-service-media/df98c223-48f3-4bf0-923a-9cd8ddf9e79a.__CR0,0,400,400_PT0_SX300_V1___.jpg)
Amazon.com: hygger 40-75 Gallon Small Aquarium Heater with LED Display Controller, Quartz Submersible Fish Tank Heater 300 W Saltwater Freshwater : Pet Supplies
![Amazon.com: HiTauing Aquarium Heater, 500W Fish Tank Heater with LED Digital Display & 5 Safety Protection, Submersible Aquarium Heater with 2 Suction Cup and 8.2Ft Cord for 75-120 Gallon Fish Tank. : Pet Supplies Amazon.com: HiTauing Aquarium Heater, 500W Fish Tank Heater with LED Digital Display & 5 Safety Protection, Submersible Aquarium Heater with 2 Suction Cup and 8.2Ft Cord for 75-120 Gallon Fish Tank. : Pet Supplies](https://m.media-amazon.com/images/I/71CKPlQPQ1L._AC_UF1000,1000_QL80_.jpg)
Amazon.com: HiTauing Aquarium Heater, 500W Fish Tank Heater with LED Digital Display & 5 Safety Protection, Submersible Aquarium Heater with 2 Suction Cup and 8.2Ft Cord for 75-120 Gallon Fish Tank. : Pet Supplies
![Amazon.com: AQQA Aquarium Heater 500W for 66-135 Gallon Submersible Fish Tank Heater 75 Gallon Betta Fish Heater Aquarium Thermostat Heater for Coral Marine & Freshwater Aquarium (500W, 66-135Gal) : Pet Supplies Amazon.com: AQQA Aquarium Heater 500W for 66-135 Gallon Submersible Fish Tank Heater 75 Gallon Betta Fish Heater Aquarium Thermostat Heater for Coral Marine & Freshwater Aquarium (500W, 66-135Gal) : Pet Supplies](https://m.media-amazon.com/images/I/71sUqQUxfZL.jpg)
Amazon.com: AQQA Aquarium Heater 500W for 66-135 Gallon Submersible Fish Tank Heater 75 Gallon Betta Fish Heater Aquarium Thermostat Heater for Coral Marine & Freshwater Aquarium (500W, 66-135Gal) : Pet Supplies
![Amazon.com: Penn-Plax Cascade Heat Aquarium Heater – Fully Submersible – Great for Freshwater and Saltwater Fish Tanks – 13.5” Length – 300 Watt : Pet Supplies Amazon.com: Penn-Plax Cascade Heat Aquarium Heater – Fully Submersible – Great for Freshwater and Saltwater Fish Tanks – 13.5” Length – 300 Watt : Pet Supplies](https://m.media-amazon.com/images/I/51YG-Um0G8L._SY350_PKmb-play-button-overlay_.jpg)
Amazon.com: Penn-Plax Cascade Heat Aquarium Heater – Fully Submersible – Great for Freshwater and Saltwater Fish Tanks – 13.5” Length – 300 Watt : Pet Supplies
![Amazon.com: Aqueon Submersible Aquarium Fish Tank Heater For Up To 75 Gallon Aquariums, 200 Watts : Pet Supplies Amazon.com: Aqueon Submersible Aquarium Fish Tank Heater For Up To 75 Gallon Aquariums, 200 Watts : Pet Supplies](https://m.media-amazon.com/images/I/711hj2Hcv8L._AC_UF894,1000_QL80_.jpg)
Amazon.com: Aqueon Submersible Aquarium Fish Tank Heater For Up To 75 Gallon Aquariums, 200 Watts : Pet Supplies
![Amazon.com: FREESEA Aquarium Fish Tank Heater: 300 Watt Submersible Heater Adjustable Thermostat for Large 30-75 Gallon Betta | Turtle : Pet Supplies Amazon.com: FREESEA Aquarium Fish Tank Heater: 300 Watt Submersible Heater Adjustable Thermostat for Large 30-75 Gallon Betta | Turtle : Pet Supplies](https://m.media-amazon.com/images/I/71LPvZWZpAL.jpg)