This dosing funnel is specifically designed for use with the ROK Espresso portafilter. It offers a practical solution for precisely filling ground coffee, helping to minimise waste during the process. By ensuring a more even distribution of coffee in the portafilter, this espresso funnel contributes to an improved and more consistent brewing experience. As a functional piece of ROK Espresso accessories, it makes the process of preparing your espresso more efficient and cleaner, and is a valuable tool for anyone looking to optimise their espresso brewing at home.