Little Giant’s 18S Series sewage pump boasts a powerful 1-1/2 horsepower, 3200 RPM motor that delivers 160 GPM of wastewater at 10′ total dynamic head. Heavy-duty cast iron construction and stainless steel hardware combine to offer excellent corrosion resistance, as well as the dependable performance Little Giant is famous for. This series also includes epoxy coated heavy-duty cast iron housing and volute, to ensure rust resistance, with all exposed component parts made of corrosion-resistant materials to provide a longer service life.