part 2820690 Ring Ø40 Annovi Reverberi code 2820690 Details Annovi Reverberi number2820690 DescriptionRing Ø40 ItalianAnello appoggio Ø40Qty 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