Farm Innovators™ C-50P Utility Chicken Waterer De-Icer, 150WThe Farm Innovators 150 Watt Chicken Utility Waterer De Icer is designed for use with all nipple style poultry drinkers or buckets. Thermostatically controlled to keep water from freezing. 150w built in heater works automatically, keeps water from freezing in the winter. Teflon coated element reduces corrosion and build up of calcium and lime deposits, keeping the water cleaner. Element sits on the bottom of the bucket. Can be submerged under water