Aquatop Nano Aquarium Heater 15 Watt, 4 Gallon

Aquatop's 25-Watt Nano Aquarium Heater is perfect for Nano aquariums up to 4 gallons. It has a built-in precise electronic thermostat which is pre-set to 77 degrees Fahrenheit and it automatically shuts down when the target temperature is reached. Our 25-Watt Nano Aquarium Heater has a quick installation and is easy to use! 25 watt Easy intstalation Good for u[p to 4 gallon tanks