VST Precision Filter Basket 15g – Ridgeless
Ridgeless or Ridged?
In short, ridged baskets have a slight indentation that holds the basket in place. The ridgeless therefore is easier to knock out of the portafilter.
Compatibility:
Designed to fit most 60mm Portafilters (60mm is the Inside Diameter) VST Filters DO NOT fit 49, 53 or 54mm portafilters
- 20g, 18g & 15g fits most La Marzocco, Synesso, Nuova Simonelli, Faema, La Cimbali, Rancilio with standard portafilters.
- 25g, 22g & 7g fits all La Marzocco and Most Synesso and Nuova Simonelli models using their standard portafilters.
- Faema, La Cimbali, Rancilio require a bottomless portafilter.
- Check height specification (in mm) below and compare to the depth available in your portafilter. We recommend using a bottomless portafilter.
- 22g, 20g and 18g are compatible with the La Marzocco SWIFT Grinder
- VST’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 WARRANTED for ONE-YEAR and for 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 (see VST Warranty)
- Recommended tamper size:
25, 22, 20, 18, 15g: 58.40 +0.00 -0.05mm diameter flat face
7g: 40.7-40.9mm
Further information in the documents section further below.
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