Hagen Fluval E Advanced Electronic Heaters

E Series LCD Heaters from Fluval are the most advanced submersible aquarium heaters on the market today. Computer-controlled precision and fish-safe design contributes more than ever to the safety of your tank's inhabitants. Dual temperature sensors, and temperature selection to the nearest 0.5 degree with an LCD display allows for precise control and accurate tank readings. Coloured display alert changes colour if preset temperature changes plus or minus 2 degrees Fahrenheit. Integrated fish guard keeps fish from direct heater contact and protects glass sleeve from breakage. Easy heater bracket allows heater to be moved or removed without removing it. Designed for tank or sump use.