Are 58Mm Portafilters Interchangeable?
What Pat said — 58mm baskets are interchangeable, but many PFs are not 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 baskets universal? Sizes, shapes and hole patterns vary by manufacturer. There is no consensus … Read more