![Amazon.com: hygger 925 Replacement Heater Rod Aquarium Heating Element (Controller Excluded) (500w) : Pet Supplies Amazon.com: hygger 925 Replacement Heater Rod Aquarium Heating Element (Controller Excluded) (500w) : Pet Supplies](https://m.media-amazon.com/images/I/51p4ZkDbQjL.jpg)
Amazon.com: hygger 925 Replacement Heater Rod Aquarium Heating Element (Controller Excluded) (500w) : Pet Supplies
![Amazon.com: Tetra HT Submersible Aquarium Heater With Electronic Thermostat, 50-Watt, 2-10 Gallon : Pet Supplies Amazon.com: Tetra HT Submersible Aquarium Heater With Electronic Thermostat, 50-Watt, 2-10 Gallon : Pet Supplies](https://m.media-amazon.com/images/I/81TdZIzoTML._AC_UF1000,1000_QL80_.jpg)
Amazon.com: Tetra HT Submersible Aquarium Heater With Electronic Thermostat, 50-Watt, 2-10 Gallon : Pet Supplies
![500W/800W fully submersible aquarium heater with external temperature display controller Upgraded dual quartz tube fish tank heater for 65-190 gallons, suitable for marine and fresh water - Walmart.com 500W/800W fully submersible aquarium heater with external temperature display controller Upgraded dual quartz tube fish tank heater for 65-190 gallons, suitable for marine and fresh water - Walmart.com](https://i5.walmartimages.com/asr/5d5d156c-cd83-4dae-8afd-8d48d8dfbb9f.b7528858353e74114eb9bf67b1d08200.jpeg)
500W/800W fully submersible aquarium heater with external temperature display controller Upgraded dual quartz tube fish tank heater for 65-190 gallons, suitable for marine and fresh water - Walmart.com
![Cartridge Element | Cartridge Heater | Heating Element | Electric Water Heater Parts - Electric Water Heater Parts - Aliexpress Cartridge Element | Cartridge Heater | Heating Element | Electric Water Heater Parts - Electric Water Heater Parts - Aliexpress](https://ae01.alicdn.com/kf/S79f9ec6c279341f9b8e1900ef4dfbc92m/LJXH-Immersion-Cartridge-Heater-Submersible-Fish-Tank-Heating-Water-Proof-Tubular-Heating-Element-12V24V36V48V.jpg)
Cartridge Element | Cartridge Heater | Heating Element | Electric Water Heater Parts - Electric Water Heater Parts - Aliexpress
![Amazon.com: HiTauing 200W/300W/500W Submersible Aquarium Heater for 20-130 Gallon - Upgraded Double Quartz Tubes Fish Tank Heater with HD Temperature Digital Display - Suitable for Freshwater and Saltwater : Pet Supplies Amazon.com: HiTauing 200W/300W/500W Submersible Aquarium Heater for 20-130 Gallon - Upgraded Double Quartz Tubes Fish Tank Heater with HD Temperature Digital Display - Suitable for Freshwater and Saltwater : Pet Supplies](https://m.media-amazon.com/images/I/71ES2zA-cBL.jpg)
Amazon.com: HiTauing 200W/300W/500W Submersible Aquarium Heater for 20-130 Gallon - Upgraded Double Quartz Tubes Fish Tank Heater with HD Temperature Digital Display - Suitable for Freshwater and Saltwater : Pet Supplies
![200W Submersible Small Aquarium Heater Automatic Fish Tank Heating Rod Constant Temperature - Walmart.com 200W Submersible Small Aquarium Heater Automatic Fish Tank Heating Rod Constant Temperature - Walmart.com](https://i5.walmartimages.com/asr/b403423a-1ff3-45c9-93fb-b3eabd7b68e4.3268f00edea84caa80d9f5b244a0b44e.jpeg)