Heaters have built-in temperature sensors which automatically cuts the power to the heater if it accidentally comes in contact with air. Maintains water temperature within +/-2ºF of the set value providing a safe, healthy, and stable temperature for your tank.
Our Price: $34.90
I received my order yesterday. I was very pleased with the timeliness and professionalism in the way my order was handled. I will most definitely be returning to you for my future aquarium needs.