IDEAL SIZE- Compatible with the Delonghi coffee machines, such as ECO311 La Specialista EC9355/EC9155/EC9665/EC9865/EC9255/EC9555/EC9885 DURABLE CONSTRUCTION: Made of high-quality 304 stainless steel for longevity and rust resistance under frequent washing and brewing use. EASY TO CLEAN: The smooth interior and exterior surfaces are simple to wipe clean after each use and fully dishwasher safe. ENSURES CONSISTENT RESULTS: The dual wall design ensures consistent water pressure and temperature for every shot, delivering balanced flavor profiles and crema production. EASY TO INSTALL - Just take the original out and put this new one in. Coffee Filter Basket Compatible With Delonghi Espresso machines ECO311 La Specialista EC9355/EC9155/EC9665/EC9865/EC9255/EC9555/EC9885, This is not the original basket, not working well on the machines like EC680/685 etc. This basket can take about 12g coffee powder.