Description The Farm Innovators 1500 watt sinking tank deicer keeps water from freezing during the winter, even in sub-zero temperatures. It sits on the bottom of the tank and can be used in all metal, rubber, or plastic stock tanks from 70-300 gal.PRODUCT DETAILS: Keeps water from freezing during the winter. Thermostatically controlled to operate automatically when water temperature cools to 35 degrees or less. Designed for use in all rubber, plastic, or metal stock tanks. 1500 watts of power 5 foot cord For use in tanks 70 - 300 gal. Made in USA