This puck screen can be cleaned and installed easily. And it can allow the water to pass evenly through the ground coffee and prevent channeling and spurts from occurring. As the puck screen features good filtration performance and high strength, it can help you to make delicious coffee. For coffee lovers, it would be a very practical tool. It is constructed of stainless steel material. There are 3 sizes for you to choose from. It is suitable for home, office or coffee house, etc. Item Name: Puck Screen Material: Stainless Steel Feature: Rustproof, Easy to Clean, Good Filtration Performance Size Details: 51mm, Diameter: 51mm/2.01" (Approx.) 53.5mm, Diameter: 53.5mm/2.11" (Approx.) 58.5mm, Diameter: 58.5mm/2.3" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Puck Screen