FREE special patented adaptor included to easily route cord through drain hole.

Easily converts between a Sinker, Floater, or Drain-plug De-icer. Durable aluminum base. Energy efficient - keeps entire tank ice-free without overheating the water. Multiple thermostat control protects against over-temperature conditions. Large, finned base runs cooler than conventional de-icers. Safe in plastic tanks, no protective guard necessary. Heavy duty anti-chew protector. Three year warranty. 1500w 6' cord. Up to 300 gallon capacity. We also carry a full line of Allied De-Icing Products which include floaters, sinkers, universal drain plug de-icers and new 250 watt utility de-icer for automatic waterers.