1/3 HP cast iron and coated steel submersible sump pump. Assembled in the US with foreign and domestic parts. Float switch tested to 1 million cycles. Top suction pump design eliminates air locks and clogging from debris in bottom of sump pit. Epoxy-coated steel motor housing and rugged, cast iron pump base. Fully submersible: 9 inch ON level and 4 inch OFF level.