part 4180350 Gasket Ø 44 Annovi Reverberi code 4180350 Details Annovi Reverberi number4180350 DescriptionGasket Ø 44 ItalianGuarnizione Ø 44Qty per pump3 Also comes in KIT 43617 Water seal kit Fits these pumps Annovi Reverberi RTD 1 RTD 200.100 Annovi Reverberi RTD-L 1 RTD-L 160.100