The Fluval M50 Submersible Heater is a high-quality heater designed for aquariums with a tank capacity of up to 15 US gallons (50 liters). Made by Fluval, a trusted brand known for its durable and reliable aquarium products, this heater is suitable for all water types and is manufactured in Italy. With its 50-watt power output, it can efficiently maintain the temperature of your aquarium to create a comfortable environment for your fish. This submersible heater is a must-have for any aquarium setup to ensure the well-being of your aquatic pets.