Fluval E100 Electronic Heater, 100W, up to 30 US Gal / 120 L

100-Watt heater designed for aquariums up to 30 US Gal / 120 L
Displays water temperature digitally in Celsius or Fahrenheit
Precision temperature control allows for increments (+ or -) of 0.5 degrees- VueTech® system will change display colors if set temperature varies +/- 1°C or +/- 2°F (blue = low, green = safe zone, red = high)
Integrated fish guard provides added protection
Slim mounting bracket- For use in freshwater and saltwater aquariums