BORDER: Ø 70 mm (B70)
HEIGHT: 20 mm
BODY: Ø 59 mm for Ø 58 mm tamper
SHAPE: Cylindrical filter with a convex bottom. This shape collects coffee towards the centre during extraction and it is well matched with a bottomless portafilter.
PERFORATED AREA: Ø 49 mm area optimized in relation to the shape of the filter.
NUMBER OF HOLES: 715 in hexagonal hole pattern. 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
|DARK ROASTED COFFEE||MEDIUM ROASTED COFFEE||LIGHT ROASTED COFFEE|
|B702TCH20E||h. 20 mm||10/12 gr||11/13 gr||14/17 gr|
|B702TCH22E||h. 22 mm||12/14 gr||13/15 gr||16/19 gr|
|B702TCH24E||h. 24 mm||14/16 gr||15/17 gr||18/21 gr|
|B702TCH26E||h. 26 mm||17/19 gr||18.5/21 gr||20.5/23 gr|
|B702TCH28.5E||h. 28.5 mm||19/22 gr||22/25 gr||23/27 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
• Light roasted coffee: Ethiopia single origin