2-In-1 Convert-Able cast aluminum tank de-icer. Converts from a floating de-icer into a submergible de-icer with the simple removal of the float. Can easily be converted between the two without tools in about 30 seconds. The patented cast aluminum construction provides ultimate efficiency and safety. This de-icer is thermostatically controlled to operate only when necessary. The cord is protected with a heavy-duty anti-chew cord protector. Safe in plastic tanks. 1250 watts of power.