![Amazon.com : Finnex Titanium Aquarium Heater, Premium Nickel Coil, Large 19mm D Tube, Heater Guard (800 Watts) : Pet Supplies Amazon.com : Finnex Titanium Aquarium Heater, Premium Nickel Coil, Large 19mm D Tube, Heater Guard (800 Watts) : Pet Supplies](https://m.media-amazon.com/images/I/71ie0YxTJCL.jpg)
Amazon.com : Finnex Titanium Aquarium Heater, Premium Nickel Coil, Large 19mm D Tube, Heater Guard (800 Watts) : Pet Supplies
![Amazon.com: Finnex Titanium Aquarium Heater, 100 Watt HMA Series, Heater Guard, 20 to 30-Gallon : Pet Supplies Amazon.com: Finnex Titanium Aquarium Heater, 100 Watt HMA Series, Heater Guard, 20 to 30-Gallon : Pet Supplies](https://m.media-amazon.com/images/I/61Ukz3eXA+L.jpg)
Amazon.com: Finnex Titanium Aquarium Heater, 100 Watt HMA Series, Heater Guard, 20 to 30-Gallon : Pet Supplies
![Amazon.com: Finnex Titanium Aquarium Heater, 50 Watt HMA Series, Heater Guard, 10 to 20-Gallon : Pet Supplies Amazon.com: Finnex Titanium Aquarium Heater, 50 Watt HMA Series, Heater Guard, 10 to 20-Gallon : Pet Supplies](https://m.media-amazon.com/images/I/61uzS-ZmZML._AC_UF1000,1000_QL80_.jpg)
Amazon.com: Finnex Titanium Aquarium Heater, 50 Watt HMA Series, Heater Guard, 10 to 20-Gallon : Pet Supplies
![Amazon.com: Finnex Titanium Aquarium Heater, 500 Watt HMA Series, Heater Guard, 100 to 120-Gallon : Pet Supplies Amazon.com: Finnex Titanium Aquarium Heater, 500 Watt HMA Series, Heater Guard, 100 to 120-Gallon : Pet Supplies](https://m.media-amazon.com/images/I/61+52EjikjL._AC_UF1000,1000_QL80_.jpg)
Amazon.com: Finnex Titanium Aquarium Heater, 500 Watt HMA Series, Heater Guard, 100 to 120-Gallon : Pet Supplies
![Something Fishy :: Aquarium Supplies :: Heaters & Chillers :: Heaters :: Finnex Titanium Heaters & Controllers :: Finnex Compact Electronic Heaters :: Finnex 500w Electronic Titanium Heater Something Fishy :: Aquarium Supplies :: Heaters & Chillers :: Heaters :: Finnex Titanium Heaters & Controllers :: Finnex Compact Electronic Heaters :: Finnex 500w Electronic Titanium Heater](https://www.toofishy.com/images/P/FINNEX-500.jpg)