VST Precision 58mm Filter Basket (20g)
verified · 4 July 2026This basket is one of a line. See every VST Precision basket compared — the whole ladder of heights and variants on one page, with the three diameters they share.
Fits these machines
- La Marzocco GS3 (58mm portafilter)
- La Marzocco Linea Micra (58mm portafilter)
- La Marzocco Linea Mini (58mm portafilter)
- Rancilio Silvia (58mm portafilter)
- Rancilio Silvia Pro (58mm portafilter)
- Rancilio Silvia Pro X (58mm portafilter)
The 20g size of VST’s precision basket line — the largest of the three sizes (15/18/20g) that VST states fit most La Marzocco and Rancilio standard portafilters, at 26.0mm depth per VST’s own size table. Note VST’s caveat that some Rancilio portafilters may need a bottomless portafilter for sizes above 18g. Does not fit 54mm machines. Verified against the official VST store page on 2026-07-04. See the 15g and 18g entries for the smaller variants.
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Also fits the same machines
Other items confirmed to fit machines this one fits — useful if you're kitting out a single setup. The count is how many of those machines overlap; nothing here is a new fitment claim.
- IMS B70 Competition 1 Cup (B701TH26.5E) (58mm basket) — shares 6 machines
- IMS B70 Competition 1 Cup H18.5 (B701TH18.5N) (58mm basket) — shares 6 machines
- IMS B70 Competition 1 Cup H19.5 (B701TH19.5N) (58mm basket) — shares 6 machines
- IMS B70 Competition 1 Cup H24.5 (B701TH24.5N) (58mm basket) — shares 6 machines
- IMS B70 Competition 2 Cup H22.5 M Pattern (B702TH22.5M) (58mm basket) — shares 6 machines
- IMS B70 Competition 2 Cup H24.5 (B702TH24.5M) (58mm basket) — shares 6 machines
FAQ
- What size portafilter is the VST Precision 58mm Filter Basket (20g) for?
- It is a 58mm basket, 26mm deep, for 58mm portafilters.
- Is the VST Precision 58mm Filter Basket (20g) pressurized?
- No — it is a non-pressurized (single-wall) basket, for freshly ground coffee.
- Does the VST Precision 58mm Filter Basket (20g) fit 54mm machines like the Breville Barista Express?
- No. It is a 58mm basket, so it does not fit Breville's 54mm machines or any 54mm portafilter.
- Which machines does the VST Precision 58mm Filter Basket (20g) fit?
- La Marzocco GS3; La Marzocco Linea Micra; La Marzocco Linea Mini; Rancilio Silvia; Rancilio Silvia Pro; Rancilio Silvia Pro X — each confirmed against manufacturer sources (listed below).
Sources
- https://store.vstapps.com/products/vst-precision-filter-baskets (archived) — Official VST store product page, read firsthand 2026-07-04. States verbatim: 'Designed to fit most 58mm Portafilters (inside diameter)' and '20g, 18g & 15g fits most La Marzocco, Synesso, Nuova Simonelli, Faema, La Cimbali, Rancilio'. The page's per-size table lists the 20g basket at 26.0mm height. Available in standard (ridged) and ridgeless versions. 'VST Filters DO NOT fit 49, 53 or 54mm portafilters.'
Spot an error? The fastest fix is the source itself —send us the manufacturer page that contradicts this entry and we'll correct it and cite it. See how we verify.