Perfect Addition to Espresso Brewing - Improve water distribution and eliminate channeling. Keeps Brew Head Clean - Protects the brew head from grounds being sucked up when Lever is lifted. Easy Rinse to Clean - Easily flushed out under the tap to remove any grounds from within. Note: Given the thermal mass of the screen, it is recommended that it is placed in the portafilter and locked in just before turning on the preheat controller. Colour: Silver Material: stainless steel Size: thick 1.7mm, diameter 51mm / 58.5mm / 53.5mm Package Contents: 1 x Coffee handle accessories Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.