VST Precision filter baskets in a capacity of 7, 15, 18 and 20 grams.
Official 2012 & 2013 Barista World Championship. Selected by the USBC & UKBC for 2013 Regional & National Competitions (20 gram pointless) Characteristics: VST precision filters deliver consistent extraction performance over a wide concentration range with less sediment.
Designed to extract well as a ristretto, a normal or a lungo with minimal or no change in grind level at a fixed dosage.
Individual QC report is supplied with each filter.
All holes are measured for roundness, placement, square area and blocked holes The hole pattern is centered up to +/- 1.0 mm and the placement is oriented for even suction over the entire puck. The anti-wear design ensures uniform performance over the life of the product. Improved structural integrity, resistant to pumping cycle deflection without premature fatigue failure.