Second Nature Challenger Automatic Aquarium Heater


Used in great conditions, 8" inches long (probe). Capable of warming up to 20 gallons of water in an aquarium at temperature of 68 to 70 degrees Fahrenheit. 

  • Polarized Plug
  •  Minimum water level
  • heavy duty line core
  • Mica shield
  • Precision control 
  • Hinged safety cap
  • ON/OFF light
  • Moisture proof rubber gasket helps protect internal circuits.
  • Full size clamping screw fits all standard size aquarium frames.
Golden Library