Keep Your Espresso Machine Performing at Its Best Introduce the Stainless Steel Blind Filter Basket — a must-have accessory for any espresso lover or café professional. Available in 51mm, 54mm, and 58mm sizes, this solid non-pressurized filter cup fits a wide range of semi-automatic espresso machines and makes backflushing and routine maintenance effortlessly simple. Why You'll Love It Better Extraction Quality: Optimizes pressure distribution during brewing, helping you get a more consistent, flavorful espresso shot every time. Effortless Backwashing: Simply insert into your portafilter and run a backflush cycle to dislodge built-up coffee oils and residue from the group head — no disassembly required. Built to Last: Crafted from high-grade stainless steel, this filter basket is heat-resistant, chemical-resistant, and engineered for long-term durability in both home and commercial settings. Wide Compatibility: Fits most standard 51mm, 54mm, and 58mm portafilters, making it suitable for popular home espresso machines and professional café equipment alike. Saves Time: A faster, more convenient cleaning routine means less downtime and more time focusing on crafting the perfect cup. Specifications Item: Blind Filter Basket (Non-Pressurized) Material: Stainless Steel Available Sizes: 51mm / 54mm / 58mm Quantity: 1 piece per order Country of Origin: Made in China Package Includes 1 × Stainless Steel Blind Filter Basket Note: Please refer to the size description for accurate dimensions, as product photos may not reflect actual size. Minor measurement variations may occur. Colors may appear slightly different depending on your monitor's settings. Pair It With Your Coffee Setup Enhance your entire coffee ritual with these related accessories from our store: "All Carb Diet" Funny Quote Canvas Wall Art Print | Home Decor — a playful addition to any kitchen or coffee nook. "Best Seat In The House" Retro Quote Canvas Wall Art Print — great for your café corner or coffee station wall. Learn More About Espresso Machine Maintenance Regular backflushing is a key part of espresso machine care. For guidance on keeping your coffee equipment in top shape, visit the U.S. Consumer Product Safety Commission (CPSC) for general appliance safety tips. Frequently Asked Questions Q: What sizes does this blind filter basket come in? A: This stainless steel blind filter basket is available in three standard sizes — 51mm, 54mm, and 58mm — to fit most popular semi-automatic espresso and coffee machines. Q: What is a blind filter basket used for? A: A blind filter basket (also called a blind filter bowl or backflush disc) is a solid, non-perforated filter insert used during the backwashing process. It blocks water flow so that pressure builds up inside the group head, flushing out accumulated coffee oils and grounds to keep your machine clean and running efficiently. Q: Is this filter basket compatible with my espresso machine? A: This blind filter basket is designed to be compatible with most standard semi-automatic espresso machines that use 51mm, 54mm, or 58mm portafilters, including many popular home and professional models. Please verify your portafilter diameter before purchasing. Q: How often should I backflush my espresso machine with a blind filter basket? A: For home use, backflushing once a week is generally recommended. In high-volume café environments, daily backflushing helps maintain machine performance and extends the life of your equipment.