Tetra HT40 Submersible Heater - 150 Watts

Tetra's advanced HT model heaters are more reliable and easy to use than ever before!

New design includes silicon carbide crystals that improve heat transfer and distribution. Also features stronger glass that is heat & shock resistant.

HT40 model has an output of 150 watts, making it perfect for 30 to 40 gallon aquariums. Internal electronic thermostat automatically works to keep your aquarium water at 78 degrees (+/- 2). Indicator light lets you know when heater is in use.

For more information, read our article on Fish Tank Heaters!