100w Water Heater.
100w Water Heater. at HorticultureSource.com -
100w Water Heater This compact, submersible, 100 watt heater has a titanium heating element and can be used in both fresh and salt water. The external temperature controller can be set from 68 to 92F. The titanium heating element is 1.5" in diameter and will not crack if dropped. A built-in temperature sensor will automatically turn the heater off if exposed to air. 100 watts, 1.5" x 3" x 44" x 6.6" Close up picture shows 200 watt version (MI121).