1、Compatibility: This 3 ears bottomless portafilter is suitable for Donlim 6001, 5403, KF5400 (KF600 KF6001 is not applicable), for Petrus 3606, 3690, 3366 (PE3320 is not applicable), for Neteases strict selection, for Maxims MKA71, DERLL A, KF500S, KF5002, KF7001, KF8001, CM4621, CM4218, CM4219, CM4008D, for SEVERIN, for DERLLA, for GULISSO, for STELANG coffee maker. 2、Stainless Steel and Solid Wood: Made from eco friendly stainless steel and solid wood materials, this bottomless portafilter is more sanitary and safer to use. It features antioxidant, erosion resistance, rust prevention, and durability, 3、Extraction Improvement: Bottomless design helps to observe the flow column, flow rate, color, column streaks, etc., to detect defects and errors before extraction, and to better judge the homogeneity of the extraction, which results in a more flavorful and consistent coffee. 4、Detachable and Easy to Clean: The detachable design of this portafilter makes cleaning fast and easy, with no dead corners and convenient usability. 5、Perfect Coffee Machine Accessory: Featuring a wooden handle, this portafilter is comfortable to hold and use. Includes stainless steel 51mm filter basket, is the perfect complement to your coffee machine. Item Type: Coffee Portafilter Material: Solid wood, stainless steel Weight: Approx. 334g/11.8oz Product Size: Approx. 230x51mm/9.1x2.0in Applicable Models: for Donlim 6001, 5403, KF5400 (KF600 KF6001 is not applicable), for Petrus 3606, 3690, 3366 (PE3320 is not applicable), for Neteases strict selection coffee maker, for Maxims MKA71, DERLL A, KF500S, KF5002, KF7001, KF8001, CM4621, CM4218, CM4219, CM4008D, for SEVERIN, for DERLLA, for GULISSO, for STELANG 1 x Coffee Portafilter