VST Precision Filter Baskets Ridgeless

Experience uniform coffee extractions across all groups. The essential espresso filter for those in search of the ultimate cup.
All VST Filters are warranted for zero defects! Each hole is measured for circularity, placement, square area and blocked holes. The filter is then matched for total square opening to /- 5% to ensure identical group-to-group performance.
Available in:�18g, 20g, 22g, 25g.