part 660170 O-ring Ø 31,42x2,62 Annovi Reverberi code 660170 Details Annovi Reverberi number660170 DescriptionO-ring Ø 31,42x2,62 ItalianGuarnizione OR Ø 31,42x2,62Qty per pump6 Fits these pumps Annovi Reverberi RTF 2 RTF 135.100 N APRTF 150.100 N AP