part 2821210 Sealing system Ø 25 Annovi Reverberi code 2821210 Details Annovi Reverberi number2821210 DescriptionSealing system Ø 25 ItalianSistema di tenuta Ø 25Qty per pump3 Also comes in KIT 42842 Water seal kit, Ø25 mm Fits these pumps Annovi Reverberi RTX 2 RTX 50.300RTX 60.300 N