【Espresso Accessories】Our set includes 54mm espresso dosing funnel and 53mm puck screen, compatible with 54mm portafilter. These two espresso machine accessories are great helpers for making espresso. 【Magnetic Dosing Funnel】This dosing funnel is made of aluminum and embedded with 8 magnets, so the funnel can be firmly sucked on the portafilter, which is more stable and not easy to fall. 【Keep brew head clean】All you need to do is placing this puck screen in the portafilter before extraction, and in one easy step you can prevent coffee grounds from sticking to the shower screen of your espresso machine. Keep your shower screen clean. 【Exquisite craftsmanship】The thickness of this espresso puck screen is 1.7mm, and the filtration precision is 150μm. Excellent craftsmanship, good filtering effect and durable. And it can effectively prevent the water flow from channeling and water spraying. 【Durable and easy to clean】Our dosing ring and puck screen are made of high quality materials, very durable and easy to clean. If you have any questions or comments about our products, please feel free to contact us, we will answer you within 24 hours.