Medium Circular Group Head Brush - Joe Frex

The Joe Frex Medium Circular Group Head Brush has nylon bristles and is designed to clean grounds that get stuck on the outside of the group head of your espresso machine. Cleaning around the group heads will make sure the Portafilter will have a good seal when it is locked in you won't get pressure leakage when pulling a shot. Cleaning around the group heads regularly will also extend the life of the group head gaskets. Diameter 53mm - 55mm