Get current pricing for Goulds, GOULDS-4595-ID Goulds Pump Inc. Model: 3171 S, Size: 2.5 X 3 -11, 443a412, Gpm: 220, Ft. Hd. 74, Rpm 1750, Imp. Dia: 9.500, S.g.: .98, Max Allow Pressure 150 Ps . Product Category: Lab Equipment, Sub Category: Vacuum Pumps: