ZeroHero Matrix Filter Basket

Yes, the flat-bottom design encourages a more even puck compression compared to traditional convex baskets. You will find that a standard, level tamp works best here, as the basket geometry naturally helps distribute pressure more uniformly across the coffee bed.

The basket is available in both 51mm and 58mm sizes. Please double-check your specific portafilter's inner diameter, as some commercial or specialized machines may have slight variances that require a precise fit.

These perforations are designed to increase the total open surface area, which helps reduce channeling and promotes a more even flow. You may notice improved flavor clarity and a slightly faster flow rate, so you might need to adjust your grind size finer to compensate.

Not at all. The single-piece stainless steel construction is highly durable and resistant to corrosion. A simple rinse after use and occasional deep cleaning with espresso machine detergent will keep the micro-perforations clear and performing optimally.

It depends on the clearance of your specific portafilter. While the basket is designed for high capacity, ensure your portafilter has enough depth to accommodate the 24mm height of the basket without hitting the shower screen when locked in.