About This EASY TO CLEAN: The Flair 58mm Etched Puck Screen is easy to clean, with .4mm hole diameter, which means no retained fines. Simply rinse in cool water after each espresso extraction. STAINLESS STEEL 304 MAGNETIC: The Flair 58mm Etched Puck Screen is constructed of stainless steel 304, which maintains it's magnetic properties and allows for removal from the espresso puck with a magnet, not included. FAST PREHEAT AND NO PREWET: The stainless steel construction and the minimal thickness of .5mm of the Flair 58mm Etched Puck Screen means no preheat is needed, like with mesh espresso puck screens, and no preheat either. 58MM BROAD COMPATIBILITY: The Flair 58mm Etched Puck Screen measures 58.55mm in diameter, ensuring edge to edge coverage on industry standard 58mm portafilter baskets. BEAUTIFUL LOOK TO ELEVATE YOUR ESPRESSO: The Flair 58mm Etched Puck Screen is coated in a beautiful black PVD with a laser logo to elevate any espresso extraction.