accessories · MM033

Precision Filter Baskets and Blind Basket

The part that sets what a shot can do. These are 304 stainless baskets — a single for 8–12 g, a double for 16–20 g, and a straight-walled double for 20–28 g that suits bottomless portafilters. The blind baskets have no holes: fit one, add cleaner, and backflush the group instead of descaling it by hand. A small stainless tool lifts a basket out of the portafilter without levering at the rim with a screwdriver.

$2.27

Variant

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Features

  • 304 stainless, not plated
  • Single 8–12 g, double 16–20 g, straight-wall 20–28 g
  • Blind baskets for backflushing, 51 / 53-54 / 58 mm
  • Basket removal tool, 49–58.5 mm
  • 58 mm fits most E61 groups

Product details

Supplier photographs of the product itself, the parts that decide how it works and the details a specification table cannot show.

  1. Precision Filter Baskets and Blind Basket — Three baskets, one rim

    01

    Three baskets, one rim

    Single, double and blind, all 58 mm. Same outer diameter, so they drop into the same portafilter and only the dose changes.

  2. Precision Filter Baskets and Blind Basket — What the numbers mean

    02

    What the numbers mean

    A single takes 8–12 g, a double 16–20 g, and the straight-wall double 20–28 g — that last one is the one to use with a bottomless portafilter, where the wall has to be straight all the way down. The blind basket has no holes at all and is 16 mm deep against 24 mm.

  3. Precision Filter Baskets and Blind Basket — Blind means backflush

    03

    Blind means backflush

    No holes, so water and cleaner are forced back up through the group instead of out through the coffee. It is the difference between cleaning a machine and descaling it.

  4. Precision Filter Baskets and Blind Basket — A tool, not a screwdriver

    04

    A tool, not a screwdriver

    The removal tool hooks the basket lip and lifts it square. Baskets that have been levered out with a screwdriver end up with a bent rim, and a bent rim leaks.

  5. Precision Filter Baskets and Blind Basket — 304, as listed

    05

    304, as listed

    Food-grade 304 stainless throughout — the supplier's material line and the spec sheet both say 304, not a plated steel.

Specifications7 of 7 dimensions carry a verified value.
PricePer unit, ex-works. Freight quoted separately.$2.27
Product typeWhere the model is designed to be usedaccessories
Machine typeAs classified by the supplierFilter basket
Housing materialBody and panel material304 stainless steel
FunctionsModes named on the supplier sheetSingle / double / straight-wall double, blind basket, removal tool
Packaging optionsCarton types offered in bulk1 pc per box
DimensionsWidth x height x depth58 mm (51 and 53/54 mm blind baskets)

Where it works

  • Daily cleaning

    Blind basket plus cleaner flushes the group in a minute.

  • Dialling in

    Swap between single, double and straight-wall for the same dose.

  • Machine service

    The removal tool takes a basket out without damaging the lip.

Questions before you order

What sizes are listed?
58 mm baskets in single, double and straight-wall double, plus blind baskets in 58 mm, 51 mm and 53/54 mm.
How much coffee does each hold?
The supplier gives 8–12 g for the single, 16–20 g for the double and 20–28 g for the straight-wall double.
What is the blind basket for?
Backflushing — it has no holes, so cleaner is pushed back through the group.
Are they really 304?
The supplier lists 304 stainless steel; the spec sheet says the same.
What is the removal tool for?
Lifting a basket out of the portafilter; it covers 49 to 58.5 mm.

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