Barista-Grade Precision: 18g Matrix Portafilter Filter Basket for 58mm Espresso Machines
Elevate your espresso game with this 18g Precision High-Extraction Matrix Basket Filter. Engineered with a micro-sieve design featuring 1,932 precisely laser-cut holes, this filter basket ensures uniform water distribution through your coffee puck — delivering a rich, balanced, full-bodied shot every time. Designed to fit standard 58mm portafilters, it's a must-have upgrade for any home barista or café professional.
Made in Mainland China.
Key Specifications
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Basket Weight: 29g
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Bottom Thickness: 0.4mm
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Dose Capacity: 18g
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Hole Size: 0.85mm × 0.21mm
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Total Holes: 1,932
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Compatibility: 58mm portafilters
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Material: Premium Stainless Steel
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Filter Type: Permanent (reusable)
Why Upgrade to a Matrix Basket Filter?
Standard basket filters often feature fewer, unevenly spaced holes that lead to channeling — water taking the path of least resistance through your coffee grounds rather than distributing evenly. The matrix micro-sieve design with 1,932 fine holes solves this by:
- ✅ Maximizing extraction uniformity across the entire coffee bed
- ✅ Reducing channeling for a sweeter, more complex espresso
- ✅ Supporting consistent shot-to-shot repeatability
- ✅ Durable stainless steel construction for long-lasting, rust-resistant performance
- ✅ Easy to clean — simply rinse or backflush as usual
Who Is This For?
Whether you're dialing in your home espresso setup or maintaining consistency behind a professional bar, this matrix basket filter is the precision tool that separates good espresso from great espresso. Compatible with most 58mm espresso machine portafilters including popular home and prosumer machines.
Complete Your Espresso Setup
Pair this filter basket with other essential barista tools from our store:
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Frequently Asked Questions
Q: What espresso machines is this 58mm matrix basket filter compatible with?
A: This filter basket is designed for standard 58mm portafilters, which are used in a wide range of home and professional espresso machines. Please verify your portafilter's inner diameter is 58mm before purchasing to ensure a proper fit.
Q: How does the 1,932-hole matrix design improve espresso extraction?
A: The high-density matrix of 1,932 micro-holes (each 0.85mm × 0.21mm) creates a uniform flow resistance across the entire base of the basket. This promotes even water distribution through the coffee grounds, reducing channeling and improving extraction consistency for a richer, more balanced espresso shot.
Q: Is this filter basket reusable and easy to clean?
A: Yes! This is a permanent stainless steel filter basket — simply rinse it under warm water after use or backflush it as part of your regular machine maintenance routine. Its durable stainless steel construction resists rust and staining over time.
Q: What is the recommended grind size and dose for this basket?
A: This basket is calibrated for an 18g dose of finely ground coffee. As with any precision basket, we recommend dialing in your grind size to achieve your desired shot time (typically 25–30 seconds for a 36g yield), as the tighter hole pattern may require a slightly coarser grind compared to a standard basket.
Production & Packaging Notice
To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.