VST Precision 18gram Ridgeless Double Filter Basket 58mm

Experience uniform extractions across all groups for the first time – permanently. The essential espresso filter for those in search of the ultimate cup. PRODUCT DETAILS : - Dose : 17-19 grams - Height : 24.2 mm - Diameter Outside : 60 mm - Diameter Tamper : 58.4 mm COMPATIBILITY : - Fits most La Marzocco, Synesso, Nuova Simonelli, Faema, La Cimbali, Rancilio with standard portafilters. - Designed to fit most 60mm portafilters (60mm is the Inside Diameter) VST Filters - DO NOT fit 49, 53 or 54mm portafilters FEATURES : - VST #39;s precision filters deliver consistent extraction performance over a wide range of concentration with reduced sediment - Designed to extract properly as a ristretto, normale or lungo with minimal or no change in grind setting at a fixed dose - Filters are matched for total square area to +/- 5% to ensure identical performance (typical variances of standard filters range from 50-200% of nominal open square area) - All VST Filters are ZERO DEFECTS - Holes are fabricated using a new micro-machine and finishing process 100% of holes are measured on every filter for min/max range limits on area and diameter to a precision of +/- 20 µm (individual QC report provided with every filter) - All holes are measured for circularity, placement, square area and blocked holes - Hole pattern is centered to +/- 1.0 mm and placement is oriented for uniform extraction throughout the entire puck - Wide outlet angle to prevent filters from clogging, patented anti-wear design ensures uniform performance for life of product - Improved structural integrity, will withstand deflection from pump cycling without premature fatigue failures