Get current pricing for Goulds, Goulds-67794-ID Goulds 3656 18bfk2 Cast Iron Pump With Bronze 12.5 Impeller. Pump Is 6 X 8 - 13 And Rated For 1200 Gpm At 28 Feet Of Head. Unit Has Close-couple . Product Category: Process Equipment, Sub Category: Water Treatment - Misc.: