Oil-filled motor and cast iron motor housing for optimal heat dissipation which prevents the pump from overheating;Automatic pump with a time-tested, reliable, preset, built-in snap action switch that makes for an easy installation;Proven Tri-Slice cutter technology: Three independent cutting channels provide over 250,000 cuts per minute;Stainless steel float guard that prevents material or debris from collecting on the float ensuring proper operation every time;Solid, buoyant, polypropylene float to eliminate the possibility of water infiltration allowing the float to remain buoyant and functional at all times;Powder-coated epoxy finish provides corrosion-resistance and extends the life of the pump in harsh environments;Stainless steel screws, switch arm, guard, handle and hardware to prevent rust and corrosion over the life of the pump;100% Factory Tested - every pump is submerged in water and tested at the factory to ensure that it performs as expected when you receive it;Comes with a 3-year limited warranty giving you protection over your investment and the peace of mind you expect in a quality product