Get ready to enjoy a clean and healthy aquarium with the OASE Indoor Aquatics Filtosmart Thermo 100. This black external filter is designed for all water types and has a tank capacity of .34 gallons. With a flow rate of 160 gallons per hour, it keeps your aquarium water crystal clear and free from debris. The FiltoSmart Thermo 100 also comes with a built-in heater for precise temperature regulation. This product is perfect for fish and aquarium enthusiasts, and we offer free shipping for your convenience.