B702TFH25.5BB FILTER BASKET

B702TFH25.5BB
IMS Big Bang

B70 2 Cups - H25.5 Big Bang

Cylindrical filter with a flat bottom featuring the patented BIG BANG perforation pattern. This advanced 585-hole design uses incremental spacing (starting from 1.5mm) towards the edges to ensure a more uniform water flow and a superior extraction profile.

  • Border: Ø 70 mm
  • Body: Ø 60 mm
  • Height: 25.5 mm
  • Tamper: Ø 58/58.4 mm
  • Ridge: Ridgeless
  • Pattern: Big Bang (585 holes)

Capacities Comparison (Big Bang Series)

CodeHeightDark RoastedMedium RoastedLight Roasted
B702TFH21.5BB21.5 mm14/16 gr15/17 gr16/18 gr
B702TFH23.5BB23.5 mm17/19 gr18/20 gr19/21 gr
B702TFH25.5BB25.5 mm20/22.5 gr21/23 gr21.5/24 gr
B702TFH27.5BB27.5 mm22/24.5 gr23/25 gr24.5/26 gr

Innovative Extraction

The "Big Bang" pattern is engineered to balance delivery across the entire perforated area. By increasing the distance between holes towards the outer rim, it prevents over-extraction at the edges and promotes a sweeter cup.

Technical Specification

  • Perforated Area: Ø 49 mm area.
  • Hole Diameter: 0.30 mm.
  • Competition Standard: Relaminated and recalibrated holes.
  • Sanitary Treatment: Electropolished for a clean, non-contaminating finish.

*Testing Disclaimer: All tests about the capacity of the filters were made using:

  • Dark: 80% Arabica 20% Robusta blend
  • Medium: 100% Arabica Brasile
  • Light: Ethiopia single origin

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