Eheim / Jager Aquarium Heater.
Undisputedly the most reliable and efficient aquarium heater in the world!
Temperature re calibration. Precise temperature control.
Heating function is indicated by an on/off light.
Special Schott DURAN shatterproof glass i.e resistant to cold water shock.
Thermo-safety control (auto shut-off).
Fully submersible (waterproof).
Excellent heat transmission - lower wattage required to heat the same volume of water.
MADE IN GERMANY