Are E61 Portafilters Interchangeable?
Rancilio and e61 pfs are interchangeable , and the bottomless rancilio is sold by a few on line vendors as an E61 bottomless, so you got lucky. Are portafilters interchangeable? There is no consensus on whether bigger is better or which proprietary hole pattern is better. The often frustrating thing for home baristas to keep … Read more