UPDATE PROFILE - The latest accessories have no water outlet in the middle, don't worry, you have a backflow inside your machine. Clean Your Espresso Machine - Keeping your espresso machine clean is essential to getting the best espresso every time. This recoil pan is an effective solution to help you maintain optimal coffee flow. Widely Compatible - This backwash plate offers a wide range of compatible devices EASY TO USE - Follow the step-by-step instructions in our pictures or search YouTube for "clean coffee machine" to find instructions to easily learn how to use it. put it in a filter and run the loop a few times Quantity shipped: 2 pieces Product color: black Product size: 54mm