NOTSEK Puck Screen 58mm, Coffee Puck Screen for 58mm Portafilter, with Acrylic Storage Box, Resuable 1.7mm Thickness 150μm, 316L Stainless Steel, Espresso Puck Screen, Puck Filter 58.5mm

Keep Clean - This portafilter puck screen stops coffee build up on shower screen and leaves the group head clean. No coffee gets into your shower screen which lets you not have to clean or back flush as often which will prolong the espresso machines life.
Improve Shots - This coffee puck does help to reduce channeling and grind disturbance. It makes the process of shot building quicker, and cleaner, and more uniform. Also it keeps all the extra grounds out of the group head when backlushing. So much less mess.
Better Flavored - This sage puck screen helps the water being more evening distributed across the grounds consistently produces a richer flavor and a creamier finish on each espresso. A must have for any at-home barista.
Save Time - Drop it on the puck, keeps the shower head cleaner. The portafilter group head is nearly free of any grounds after shots with this portafilter screen. It saves a lot less time to clean and back flush the group head.
Food Graded Material - Unlike other sage coffee puck screen which bonded together using adhesive, our puck screen sage is made of multi-layer sintered 316L stainless steel which is better than 304 stainless steel and can be used sustainably at high temperatures.