part 1540631 O-ring Ø 23,47x2,62 Annovi Reverberi code 1540631 Details Annovi Reverberi number1540631 DescriptionO-ring Ø 23,47x2,62 ItalianGuarnizione OR Ø 23,47x2,62Qty per pump6 Fits these pumps Annovi Reverberi RTX-SS 1 RTX-SS 100.100 N