Clean Your Espresso Machine -- To the of espresso time, your machine needs to run smoothly. Regularly backflushing the valve system will help maintain optimal coffee flow. Use cleaning disc compatible with select espresso machines with a tablet to the (tablets not included)Exact Fit For -- Blind espresso disc is precision cut to fit models - Duo-Temp Pro, the Infuser, the Barista Pro, The Barista Touch, The Barista and more (BES810BSS, BES840XL, BES878BSS, BES880, BES870XL). It may work with other espresso machines as wellWater Purging Hole -- cleaning disk compatible with select machines has a hole in the middle to purge water during use. Protect your espresso maker with the right accessoriesEasy To Use -- Whether you are a professional barista or at-home coffee enthusiast, backflushing with this espresso cleaning tool is simple. Place it in the portafilter and run the a few Durable -- They are made from that will last for years. Using a backflush insert with espresso cleaning tablets will help extend the life of your machinecolour:Dark grayMaterial:Silica gelsize:Diameter about 54mmPackage Contents:4 x Cleaning pad