Dsgp1-2021-60hz Dsgp1-2023-60hz 2 hp grinder pump 1.Double mechanical seal 2.Silicon carbide (main) !v grit 3.Resistant 4.Carbon ceramic (secondary) 5.Dual sealing chambers with 6.Moisture detection for optimum 7.Motor protection ductile iron 8.Impeller, recessed, clog-free 9.30 year proven design 10.Stainless steel grinder assembly 11.Effectively macerates domestic 12.Into a fine slurry