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Stepped 51/54/58 mm Espresso Dosing Funnel
This one-piece dosing funnel sits in the basket of a 51, 54 or 58 mm espresso portafilter, so grounds don't spill over the rim while you grind and distribute. It has three stepped spigots, each about 1 mm under nominal (50, 53 and 57 mm OD), joined by 45° seating cones. Whichever step fits your basket drops in, and the next cone centres the funnel on the rim. It has a 46 mm throat, a hopper 84 mm across and a total height of 40 mm.
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