Vibiemme Cubo brewing group

This portafilter gasket has a outer diameter of 73mm a inner diameter of 57mm and a thickness of 8,5mm. 73x57x8,5mm. This type of brewing group gasket is one of the most standard portafilters around. You will find this on the Faema E61 groups as well as on the E61 style groups used by Vibiemme, La Scala, Bezzera, San Remo, Fiorenzato and Grimac. Of this...