18g ridgeless VST Precision Filter Baskets

Size 58mm VST Microfilters deliver consistent extraction over a wide range of concentrate while reducing sediment Manufactured with unprecedented precision, holes are shaped using a new precision machine

VST's precision filters deliver consistent extraction performance over a wide range of concentration with reduced sediment and simplified preparation. Each VST filteris designed to extract properly as a Normale, Ristretto or Lungo.-Built with unprecidented precision, all VST Filters are WARRANTED for ZERO DEFECTS. Holes are formed using a new micro-machine and finishing process.-Unmatched Quality Control: 100% of holes are measured on every filter for min/max range and hard limits on area and diameter to a precision of better than +/- 30 μm -All holes are measured for circularity, placement, square area and blocked holes.Filters are matched for total square area opening to +/- 5% to ensure identical group-to-group performance. (Typical filters vary from -50 to +100%) Hole pattern is centered to +/- 1.0 mm and placement is oriented for uniform extraction throughout the entire puck.-Wide outlet angle prevents clogging, anti-wear design ensures uniform extraction performance for life of product.Improved structural integrity, 20% heavier than standard filters, highly polished inside treatment and profile for clean knock-out.Size:58 mm