51MM Reusable Coffee Filter Basket for Bottomless Portafilter Upgrade your espresso experience with our high-quality 51mm coffee filter basket, designed for bottomless portafilters. Crafted from durable 304 stainless steel, this filter basket ensures consistent and even extraction for a rich and fragrant coffee every time. Key Features: Reusable Eco-Friendly: Built to last, reducing the need for disposable filters. Premium Quality: Made from food-grade 304 stainless steel, ensuring durability and safety. Fine Mesh Filter: The three-layer mesh provides optimal filtration, ensuring smooth and flavorful espresso. Upgraded Design: Features an improved 2-cup filter basket with increased hole density for better tamper fit and more even tamping. Easy to Clean: Can be easily disassembled for hassle-free cleaning and maintenance. Versatile Sizes: Available for 1, 2, and 4 cups, with an optional blind filter for cleaning. Perfect Fit: Designed to fit most 51mm portafilters (height measurement may be required). Note: Not all original coffee portafilters are compatible. If you're unsure about compatibility, please contact us for assistance. Perfect for espresso lovers looking to elevate their brewing experience with a reliable and efficient filter basket.