Aquatop’s 15-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 15-Watt Nano Aquarium Heater has a quick installation and is easy to use!

• 15 watt
• Easy intstalation
• Good for u[p to 4 gallon tanks