Farm Innovators Model C-250 "Around The Farm" Submergible Cast Aluminum Utility De-Icer, 250-Watt Submergible Utility De-Icer. Heaters, De-Icers And Floats Manufacturer: FARM INNOVATORS-FARM Manufacturer part number: C-250 Multi-use submergible de-icer Thermostatically controlled to operate only when necessary For use in containers up to 25 gallons, including plastic containers 250 Watts