part 2820770 Ring Annovi Reverberi code 2820770 Details Annovi Reverberi number2820770 DescriptionRing ItalianAnelloQty per pump3 Also comes in KIT 42310 Water seal kit, Ø40 mm Fits these pumps Annovi Reverberi RTF 2 RTF 135.100 N APRTF 150.100 N AP