Reusable stainless steel coffee filter basket designed for 51mm portafilters. This 4cup style basket delivers consistent extraction with a fine mesh that traps larger coffee grounds while allowing even flow for a smooth, fullbodied espresso or brewed coffee. Key benefits Durable construction: Made from foodgrade stainless steel that resists rust and wear for longterm reuse. Fine filtration: Ultrafine holes filter out larger coffee particles to improve clarity and mouthfeel without overrestricting flow. Pressurized design: Pressurized porous filter promotes stable crema and consistent extraction for 4cup servings. Easy to clean and maintain: Basket is removable and can be rinsed or washed repeatedly for convenient reuse. Simple fit and use: Sized for 51mm portafilters and compatible with standard 4cup applications. Specifications Material: Stainless steel Size: 6.00 X 6.00 X 4.00 cm (2.36 X 2.36 X 1.57 in) Style: 4cups, suitable for 51mm coffee portafilter What is included 1 x Stainless steel coffee filter basket Recommended uses Home espresso machines: disposable paper filters with this stainless steel basket to prepare 4cup shots or multicup servings. Small cafes and milk tea shops: Use for consistent, repeatable extraction in light commercial settings that accept 51mm portafilters. Portable or backup use: Keep as a durable spare for travel setups or as a replacement basket for compatible machines. How to use and care Insert the basket into a 51mm portafilter and dose with ground coffee for 4cup servings. After brewing, remove the basket and rinse under warm water. For deeper cleaning, wash with mild detergent and a soft brush, then dry thoroughly. The removable design and durable stainless steel material allow repeated washing and extended use. This stainless steel coffee filter basket provides a practical, longlasting option for users seeking a consistent extraction in a 4cup, 51mm portafilter format.