Taylor Made Dock & Marina De-Icer, Oil Free, 50 Foot Oil-Resistant Power Cord, 115w / 60Hz DESIGNED FOR HARSH SALTWATER ENVIRONMENT - with renewable zinc anode for corrosion protection, thrives in salt or mineral filled water, 2 year warranty MORE ENERGY EFFICIENT THAN OIL-FILLED UNITS - costs less to operate, pays for itself MOLDED GLASS FILLED NYLON SHROUD - guides water flow and blocks debris STAINLESS STEEL MOTOR SHAFT AND MOTOR HOUSING - eliminates corrosion DUAL INTERNAL SEALS AND DOUBLE LIP SHAFT SEAL - keep water and dirt out for long life HIGH EFFICIENCY MOTOR AND HIGH PERFORMANCE PROPELLER - give the most flow for your energy dollars OIL-FREE DESIGN - no chance of oil leaks polluting our environment EASY TO INSTALL BY ONE PERSON - fast setup allows use as a portable unit