Regularly clean the espresso machine, allowing you to continue to enjoy the ultimate taste of espresso . This for cleaning disc can easily help you clean the interior of your espresso machine . PERFECT COOPERATION:Our cleaning disk compatible with select machines has a tiny hole in the middle to purge water during use . Protect your espresso maker with the right accessories .Using a backflush insert with espresso cleaning tablets will help extend the life of your machine . The 54mm cleaning disc can be used in conjunction with the corresponding coffee machine cleaning tablets, which can effectively remove coffee grounds and scale inside the coffee machine .Espresso design of the machine cleaning tray into account the user's practical espresso machine cleaning experience, and it is a must-have for home and professional baristas . Simply insert the espresso machine cleaning disc into the portafilter of your machine, place the cleaning tablet in the center, install it on the espresso machine, and start the cleaning procedure . You will receive 54mm black cleaning disc, compatible with -Duo-Temp Pro, Barista Express, Infuser, Barista Pro, Barista Touch, etc . (BES870XL, BES810BSS, BES840XL, BES878BSS, BES880) . Also suitable for most espresso machines with 54 mm portafilter . Colour:black Material:Silica gel Size:54mm Package Contents: 4 x Espresso Cleaning Disc Only the above package content, other products are not included . Note: Light 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 .