AMT Pump 5391-95 Immersion Coolant Pump, Cast Iron, 1/4 HP, 3 Phase, 230/460V, Curve B, 3/4" Replacement oil and coolant pump for use with machine tools Semi-open impeller handles solids and fine contaminants Cast iron with stainless steel impeller and sealless design Pumps fluid levels as shallow as 2" Sealless design for pumping abrasives