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IMS Precision Filter Baskets

IMS Precision Espresso Filter Basket 58mm

R 549.00

This product typically takes 1-2 working days to dispatch


When it comes to getting really optimal espresso extractions, filter baskets are a small accessory often overlooked by amateurs but have become an increasing focus for professional and even competitive baristas. The reality is that the shape of both the basket and its holes can have a significant impact on extraction and flavour. Getting great filter baskets is a small investment that can make a huge difference.

In the world of espresso filter baskets, IMS is one of the most reputable brands. They have been engineering top quality espresso accessories since 1946! These filter baskets, available in two sizes are among the best you can find for any espresso machine using a standard 58mm E61 group head as well as many other 58mm group heads.

I.M.S. perforation is exclusive and patented

Double basket specifications

The shape was created by I.M.S. to obtain the proper ratio between the base and height of the coffee puck in relation to capacity. The filter is cylindrical with a specific corner rounding at the base. This shape has been designed to exploit the whole coffee puck, which also facilitates drying and expulsion.

  • Capacity: 12-18g (max range; ideally 14-16g)
  • Border: Ø 70 mm (B70)
  • Height: 24.5 mm (H24.5)
  • Body: Ø 60 mm for Ø 58 mm tamper
  • Ridge: external Ø 60,5 mm
  • Shape: Cylindrical with specific corner rounding
  • Perforated area: Ø 44 mm
  • Number of holes: 641 Micro spacing (M)
  • Hold diameter: 0.30 mm
  • Shape of the hole: CIRCULAR with CONICAL cross section
  • Competition perforation: Relaminated and Recalibrated
  • Tumbling: Wet vibrofinishing with ceramic inserts and drying with corncob
  • Pickling: Passivation and preparing of the material
  • Electropolishing: smooth surface with unmatched sanitary and non-contaminating qualities is obtained

Triple basket specifications

The shape was created by I.M.S. to obtain the proper ratio between the base and height of the coffee puck in relation to capacity. The filter is cylindrical with a convex bottom to collect the coffee towards the centre during percolation. This shape has been designed to exploit the whole coffee puck, which also facilitates drying and expulsion.

  • Capacity: 18-22g (max range; ideally 20-22g)
  • Border: Ø 70 mm (B70)
  • Height: 28.5 mm (H28.5)
  • Body: Ø 60 mm for Ø 58 mm tamper
  • Ridge: ridgeless
  • Shape: Cylindrical with convex bottom
  • Perforated area: Ø 49 mm
  • Number of holes: 715 hexagonal spacing (E)
  • Hold diameter: 0.30 mm
  • Shape of the hole: CIRCULAR with CONICAL cross section
  • Competition perforation: Relaminated and Recalibrated
  • Tumbling: Wet vibrofinishing with ceramic inserts and drying with corncob
  • Tumbling: Wet vibrofinishing with ceramic inserts and drying with corncob
  • Pickling: Passivation and preparing of the material
  • Electropolishing: smooth surface with unmatched sanitary and non-contaminating qualities is obtained

IMS Precision Filter Basket compatibility

E61 and other 58mm group heads including:

  • Astoria
  • Expobar
  • Gaggia
  • La Marzocco
  • Rancilio
  • Rocket
  • Rancilio
  • San Remo
  • Wega