Obvious ideas often are the best ones. For example, the aquarium heater as a rod. The heating rod is simply hung in the water and heats it. It is true that the principle is still the same as decades ago. But a lot has changed in the meantime. And today the EHEIM adjustable heater is an ultra-modern electronic thermal device with the best available technology. A jacket made from special laboratory glass increases the heating surface, serves as a heat shield and ensures optimum even heat emission. 100w Recommended for tanks up to 79 gallons. Benefits of the EHEIM JÄGER thermostatic heaters Precise temperature adjustment from 18 up to 34 °C Simple and safe recalibration (±2 °C) Temperature control accuracy ± 0,5 °C Heat kept at a constant level Heating function is indicated by a control lamp Completely submersible (watertight) With automatic dry run shut-off (Thermo Safety Control) A glass jacket increases the heating surface and ensures optimum even heat emission Handy cable length ca. 170 cm Including double suction cup holder Suitable for fresh and salt water
