Suitable for 54mm Portafilter Breville Machines: The 54mm bottomless naked portafilter basket is compatible with Breville coffee machines BES870/878/880, BaristaExpress, Barista Pro, Barista Touch, Duo-Temp Pro Ideal Tool for Coffee Extraction - IKAPE espresso filter basket is precision laser cut with evenly distributed holes in size and shape and fine mesh, which facilitates even distribution of water during coffee extraction and prevent channeling and spurts from occurring. Warm tips: you need to grind the coffee powder finer to improve the extraction rate Enjoy the Espresso Flavor--Using the espresso portafilter basket can realize the full cooperation between coffee powder and water, improve the coffee extraction rate and make the espresso flavor more prominent, so that you can enjoy the unique flavor of espresso every day Reliable and Stable Quality - Our bottomless naked portafilter basket is made up of food-grade 304 stainless steel, durable and corrosion-resistant, it can be used for years to come even when the coffee machine is pressurized Easy to Clean - Our espresso filter basket is made up of stainless steel, it's also easy to clean with the small holes on the bottom, just need water to clean it