part 660191 O-ring Ø 6,07x1,78 Annovi Reverberi code 660191 Details Annovi Reverberi number660191 DescriptionO-ring Ø 6,07x1,78 ItalianGuarnizione OR Ø 6,07x1,78Qty per pump1 Fits these pumps Annovi Reverberi RCV 3 RCV 2.5G25 D + F7RCV 3.5G25 D + F7RCV 3G25 D + F7