MOALY 54mm Bottomless Portafilter, 3 Ears Professional Espresso Portafilter with Filter Basket, Compatible with Breville Barista Bes 870/878/880 Replacement Parts Bottomless Portafilter Breville

What is bottomless portal filter and what is its function? Bottomless portafilters are important tools to identify and correct extraction problems that cannot be seen by standard outlet portafilters. Insufficient or excessive dosage, inconsistent or incorrect grinding size, uneven compaction pressure or uneven grinding distribution may lead to improper extraction. 54mm Bottomless/ Naked Portafilter , Fits Breville Barista Series and 54mm Breville Machines.Made of fine quality material, practical, easy to operate and use, has a long service life. ?Specifications? Material:Stainless Steel+Wood Color:Silver+Brown Shape:3-ear type Item size:215 * 54 * 35mm / 8.5 * 2.1 * 1.4in Item weight:270g / 9.5ounce Package size:240 * 85 * 40mm / 9.4 * 3.3 * 1.6in Package weight:300g / 10.6ounce Packing List:1 * Coffee Bottomless Portafilter. With this 54mm bare portafilter, you will be able to view the extract in real time to see if you are grinding and tamping correctly. Help you make more delicious coffee visually. ?Warm tips? 1. The color and texture of all natural wood products varies with each individual item. 2. There may be some deviation in manual measurement.