Designed to keep a small hole open to release harmful gasses
Energy efficient - only 200 Watts of Power
Low profile design minimizes wind resistance and is virtually unnoticed in pond. Thermostatically controlled to operate only when necessary. All internal wiring is sealed in moisture proof epoxy.
Fish and pond friendly - maintains a vent hole in ice to remove harmful gasses. Works in any size pond. Fully grounded 10' supply cord