The compatibility of portafilters between brands sometimes becomes an issue. Most manufacturers make their own versions and even those of the same diameter sometimes do not fit those of other makes This holds especially true in the lower priced entry levels and in the upper end dual boilers. Are all coffee portafilters the same size? … Read more
You cannot make them wider or smaller. 58mm in diameter is the emerging standard for commercial espresso machines chances are, the cheaper the home machine, the smaller the portafilter diameter—though that’s not the case 100% of the time. Are all portafilters the same size? portafilter sizes range from 49 mm all the way up to … Read more
Most home espresso machines use only one group head , while some commercial espresso machines use up to 7 group heads. The brass porta-filter retains the heat which is very important. This filter forms a seal with the gasket and directs the hot pressurized water through the puck. How many group heads do I need? … Read more