LESS MESS, LESS WASTE: Grinding and tamping can be messy business, but the Breville Dosing Funnel attachment for the portafilter prevents coffee grinds from overflowing, to help reduce mess and waste, because no one wants to waste precious coffee COMPATIBILITY: Pairs with 54mm Breville portafilters; Works with Barista models including Touch BES880, Touch Impress BES881, Pro BES878, Express BES870, Express Impress BES876; Also works with the Bambino BES450 and Bambino Plus BES500 WARNING: Please confirm the compatibility of your machine before purchasing; Do not use espresso accessory with machines not listed above; Dosing funnel does not work as intended when used with other models ATTACH, DOSE, TAMP, DETACH: Twist the funnel onto the portafilter and insert into the grinder cradle; Once you've dosed, simply tamp while it's attached to save time; Dishwasher safe for simple coffee station clean up