The American Aquarist

Thermal shatter-resistant glass and dual calibration process make this submersible heater extremely durable and accurate to +/- 1 degree F. Unit switches itself off if the heater is not properly submersed, avoiding overheating and damage. An indicator lamp lets you know when it is on. Suction-cup clamps and UL approved 6 ft. power cord come included.Lifetime warrantyFor fresh or saltwater aquariumsFor use with 15-40 gallon aquariumsOffered in a variety of sizes