This Aqueon Aquatic Flat Heater is the perfect addition to your desktop aquarium. With a tank capacity of 1-2.5 gallons, this submersible heater is ideal for both saltwater and freshwater fish. The 5-watt power output ensures that your fish stay comfortable and healthy, while the sleek black design adds a touch of elegance to your aquarium. The Aqueon Aquatic Flat Heater is a reliable and durable choice for pet owners who want to provide their fish with the best possible care. Whether you're a beginner or an experienced fish keeper, this heater is easy to use and will help to maintain the optimal temperature for your aquarium. With its compact size and powerful heating capabilities, the Aqueon Aquatic Flat Heater is a must-have for any fish enthusiast.