Farm Innovators Model H-418 Ice Chaser Cast Aluminum Floating Plastic Tank De-Icer, 1,250-Watt Constructed of patented cast aluminum for ultimate efficiency and safety Thermostatically controlled to operate only when necessary Heavy duty anti-chew cord protector Durable design; safe in plastic Made in the use The most durable floating de-icer available Thermostatically controlled to operate only when necessary Heavy-duty "anti-chew" cord protector Safe in plastic tanks 1,250 Watts