IMS B70 2T CH28.5E Competition Filter Basket 18/22gr Ridgeless

IMS Ridgeless Filter basket B702TCH28.5E

When extracting every drop of flavour matters, your precision filter needs to match your technique. This IMS Competition filter basket fits machines from Astoria CMA, Bezzera, BFC, Brasilia, Casadio, Conti, ECM, Elektra, Expobar, Faema, Fiorenzato CS, Futurmat-Ariete, Grimac, La Marzocco, Nuova Simonelli, La Pavoni, Promac, Rancilio, Sanremo, Slayer, Synesso, and Vibiemme with 58mm groups. The ridgeless design and cylindrical body with convex bottom ensure even extraction across the entire coffee puck, particularly when paired with bottomless portafilter holders.

Constructed from AISI 304 stainless steel and food-safe certified, this basket features IMS's exclusive patented perforation pattern with 715 circular holes arranged in hexagonal spacing, optimised for balanced delivery across the 49mm perforated area.

Specifications

• Capacity: 18/22 gr average
• Border diameter: Ø 70 mm (B70)
• Height: 28.5 mm (H28.5)
• Body diameter: Ø 60 mm (for Ø 58 mm tamper)
• Ridge: Ridgeless
• Shape: Cylindrical with convex bottom
• Perforated area: Ø 49 mm
• Number of holes: 715
• Hole spacing: Hexagonal (E)
• Hole diameter: 0.30 mm
• Hole shape: Circular with conical cross-section
• Material: AISI 304 stainless steel
• Certification: Food-safe certified
• Reference code: B70 2T CH28.5E

Compatible Part Numbers

Features

• BORDER: Ø 70 mm (B70)
• HEIGHT: 28.5 mm (H28.5)
• BODY: Ø 60 mm for Ø 58 mm tamper
• SHAPE: Cylindrical with Convex Bottom 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 center during percolation. This shape has been designed to exploit the whole coffee puck, which also facilitates drying and expulsion. Best combined with bottomless portafilter holders.
• PERFORATED AREA: Ø 49 mm area optimized in relation to the shape of the filter.
• NUMBER OF HOLES: 715 Hexagonal spacing (E) The number and distribution of the perforations are designed to balance the delivery in relation to the height and shape of the filter and perforated area.
• HOLE 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.

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