Submersible Aquarium Heater with Adjustable Thermostat

A fully submersible heating rod with a built-in thermostat that holds your set temperature automatically. Stable warmth is the foundation of fish health — swings are what cause stress and disease.

• Adjustable thermostat with automatic cut-off
• Fully submersible with suction-cup mounts
• Shatter-resistant housing
• Clear temperature dial and indicator light