Eliminate waste and keep your coffee bar area clean by reducing coffee grounds from overflowing out of the portafilter Compatible with all 54mm Portafilters baskets including Sage/Breville's Barista Express, Bambino Plus, Duo-Temp Pro, Barista Pro, Barista Touch, Infuser and more Diameter of our dosing funnel aligns with the portafilter basket ensuring a snug fit and allows for tamping while the dosing funnel is attached Made with food-grade 304 solid stainless steel Not compatible with Sage/Breville’s built-in portafilter holder 54mm Espresso Dosing Funnel by XUNADA Reduce waste by keeping your coffee grounds from overflowing out of the portafilter. Our dosing funnel helps with consistency as a majority of the dosage are retained inside the portafilter every time. The interior of our dosing funnel sits flush with the portafilter basket. This allows for tamping even while the dosing funnel is attached to the portafilter. Instructions: 1) Attach the dosing funnel by placing it on top of the portafilter basket 2) While dosing funnel is attached, dose coffee grounds into the portafilter with a scoop or spoon 3) Flatten the ground coffee before tamping 4) Easy to wash. Simply rinse with water Important Note: Not compatible with Breville’s built-in portafilter holder