Liberty Pumps 247 VMF 1/4-Horse Power 1-1/2-Inch Discharge 240-Series Cast Iron Automatic Submersible Sump Pump with VMF Switch Pumps up to 34 GPM Maximum discharge head of 21-Foot 1/4-Inch solids handling Features a stainless steel intake plate, stainless steel rotor shaft, and stainless steel fasteners Includes a magnetically operated VMF switch for smaller pits down to a 10-Inch diameter