Product details:
Stock tank de-icers"floating stock" Heats the water, keeps open an ice-free area of approximately 30 inches in diameter down to sub-zero temperatures. Thermostatically controlled to operate only when necessary. Heavy-duty float will not rust, corrode or leak. Special 10 inches heating element. 6 feet hea vy duty grounded wire. For use in METAL TANKS ONLY. Individually packed. 120 AC voltage, 1500 watts.