part 3660530 Water seal Ø 36 Annovi Reverberi code 3660530 Details Annovi Reverberi number3660530 DescriptionWater seal Ø 36 ItalianTenuta acqua Ø 36Qty per pump3 Also comes in KIT 42844 Water seal kit, Ø36 mm Fits these pumps Annovi Reverberi RTX 1 RTX 100.120 N