Purpose of use for Snow Removal, Snow & Ice Melt. I love these heaters. We now have a bunch of them to keep horses' water ice-free. Free cord clip included (keeps power cord away from animals reach).
Stock Tank Heater Drain Plug De-Icer For Rubbermaid Tanks
eBay: NEW H418 ALUMINUM FLOAT POND STOCK TANK HEATER DE-ICER