Submersible Aquarium Heater - 50W - 9 in. - up to 20 Gallon
Aqueon submersible aquarium heaters are known for accuracy, durability and reliability. This heater is designed from thermal shatter-resistant glass that absorbs impacts. Each heater features molded control knobs that are easy to grip and automatic shut-off when not properly submersed to avoid overheating and damage. Indicator light lets you know when it's working. Each unit includes a lifetime warranty.