Prevent your livestock water tank from icing over in low temperatures with the API Universal Drain Plug Deicer. This universal drain plug de-icer mounts securely into the tank's drain hole to keep the heating element away from livestock. Use this livestock water tank heater in any livestock tank that's 100 to 300 gallons in size with a 0.75-inch or larger drain hole. This livestock tank drain plug deicer functions as the tank's drain plug as well, preventing leaks. The 6-foot cord and durable anti-rub protector keeps the drain hole heater in place. You can safely use this water tank heater in water troughs for horses and other large livestock. Built tough for outdoor use, this water tank heater features a durable, stainless steel heating element that resists corrosion over time. The livestock water trough deicer is thermostatically controlled and features over-temperature protection for safe, efficient operation. Keep your animal's water accessible during the winter with the API Universal Drain Plug Deicer.