part 66216370 Intermediate ring Ø18 Interpump code 66216370 Details Interpump number66216370 DescriptionIntermediate ring Ø18 ItalianANELLO INTERMEDIO D.18Qty per pump3 Fits these pumps Interpump 66 series 8 T3021T3025W3018W3021W3521W3523W4021WK5021