K&H Thermo-Pond Perfect Climate Deluxe Pond De-Icer designed to help maintain an opening in pond ice during winter, allowing proper gas exchange for fish. This model features a 750-watt thermostatically controlled heater and can be used floating or submerged depending on pond conditions. Comes Brand New in Original Box. All Orders Ship Free within 1 Business Day with Delivery Confirmation. Please Feel to Contact Us with any Questions.