Featuring precisions 0.3mm holes, it effectively traps coffee grounds while maintaining smooth flows, and its robust construction withstands intense brewing pressure Crafted from stainless steel, this 51mm various hole filter ensures optimal coffee extraction for high pressure machines, combining durability with easy cleaning for long lasting Designed for coffee enthusiasts, baristas, and commercial kitchens requiring filtration for consistent espresso or specialty brews Engineered to preserve aromatic oils and flavors, its seamless compatibility with 51mm portafilters makes it a must have upgrade for specialty coffee equipment your coffee for home kitchens, pantries, or cafés counters with this resistant filter