Features: * Cast aluminum submergible de-icer designed for use in five gallon plastic or metal buckets * CSA approved * Safe on the bottom, un-noticed by animals * Sealed in epoxy to perform for years * Recommended for de-icing up to 5 gallons in areas with an annual average low of 20 to -30 degrees Fahrenheit * Unit turns on at 35 degrees and off at 45 degrees Fahrenheit What"s In The Box: * Farm Innovators H-49 5-Gallon Submergible Water Bucket Heater