part 3720390 Ring Annovi Reverberi code 3720390 Details Annovi Reverberi number3720390 DescriptionRing ItalianAnelloQty per pump3 Fits these pumps Annovi Reverberi RPV 1 RPV 2 G 19 D Annovi Reverberi RPW 1 RPW 2 G 19 D Annovi Reverberi RQV 1 RQV 2.5 G30 D Annovi Reverberi RQW 1 RQW 2.5 G28 D