Competition Filter Basket 2 Cup IMS B70 2T H24.5M 12–18g

IMS BIG BANG Filter Basket 18/20g - B702TFH23.5BB

This precision filter basket is designed for espresso machines requiring a 2-cup portafilter insert with 12–18 gram coffee capacity. The IMS B70 2T H24.5M is a competition-grade basket suitable for Astoria CMA, Brugnetti, Bezzera, BFC, Brasilia, Casadio, Conti, ECM, Elektra, Expobar, Faema, Futurmat, La Marzocco, Nuova Simonelli, Promac, Quality, RST, Sanremo, Vibiemme, and Wega machines.

This filter basket features the IMS B70 2T construction with a height of 24.5mm, engineered to optimise extraction consistency for competition and commercial espresso preparation.

Specifications

• Model: IMS B70 2T H24.5M
• Capacity: 12–18 grams
• Cup size: 2 cup
• Height: 24.5mm

Always verify compatibility with your machine's user manual before purchasing.

Compatible Part Numbers

• 1 x IMS BIG BANG Filter Basket

Capacity

• B702TFH21.5BB
• Height - 23.5 mm
• Dark Roast - 17/19 gr
• Medium Roast - 18/20 gr
• Light Roast - 19/21 gr

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

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

Features

• BORDER: Ø 70 mm (B70)
• BODY: Ø 60 mm for Ø 58 mm tamper
• RIDGE: Ridgeless
• SHAPE: Cylindrical with Flat Bottom
• PERFORATION: I.M.S. perforation is exclusive and patented
• PERFORATED AREA: Ø 49 mm area optimized in relation to the shape of the filter.
• NUMBER OF HOLES: 585 holes in BIG BANG pattern (BB) Incremental distance between holes from 1.5 mm to increase til the edge.
• HOLE DIAMETER: 0.30 mm
• SHAPE OF THE HOLE: CIRCULAR with CONICAL cross section.
• COMPETITION PERFORATION: Relaminated and Recalibrated.
• FINISHING 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.

Recommened Replacement

• 2 years for domestic use
• 1 year for cafe use under 300 coffees per day
• 6 months for cafe use over 300 coffees per day