Best Efficiency Point Full Impeller: 3600rpm 275GPM @ 275FTH | 1800rpm  150GPM @ 65FTH | SF18105 Standard Bore Cartridge Seal C/SC/V/316SS
316SS PUMPS HAVE A 316SS CASING, STUFFING BOX COVER, IMPELLER, AND SLEEVE; AND A 4140 SHAFT.
Best Efficiency Point Full Impeller: 3600rpm 275GPM @ 275FTH | 1800rpm  150GPM @ 65FTH | SF18105 Standard Bore Cartridge Seal C/SC/V/316SS
IRON / SS PUMPS HAVE AN IRON CASING AND STUFFING BOX COVER; A 316SS IMPELLER AND SLEEVE; AND A 4140 SHAFT.