Farm Innovators Model PS-200 Pond De-Icer Heated Saucer, 200-Watt
This thermostatically controlled pond de-icer maintains a vent hole in the ice to allow harmful gasses to escape. The low profile design minimizes wind resistance and remains virtually unnoticed in your pond. This fish and plant-friendly heater is for use in any size pond. Fully grounded 10 foot supply cord. One year limited warranty.