B702TFH21.5BB FILTER BASKET
B70 2 Cups - H21.5 Big Bang
Cylindrical filter with a flat bottom featuring the innovative BIG BANG perforation pattern. This patented design uses an incremental distance between the 585 holes to optimize water distribution across the puck, starting from 1.5mm and increasing towards the edge.
- Border: Ø 70 mm
- Body: Ø 60 mm
- Height: 21.5 mm
- Tamper: Ø 58/58.4 mm
- Ridge: Ridgeless
- Pattern: 585 holes (BB)
Capacities Comparison (Big Bang Series)
| Code | Height | Dark Roasted | Medium Roasted | Light Roasted |
|---|---|---|---|---|
| B702TFH21.5BB | 21.5 mm | 14/16 gr | 15/17 gr | 16/18 gr |
| B702TFH23.5BB | 23.5 mm | 17/19 gr | 18/20 gr | 19/21 gr |
| B702TFH25.5BB | 25.5 mm | 20/22.5 gr | 21/23 gr | 21.5/24 gr |
| B702TFH27.5BB | 27.5 mm | 22/24.5 gr | 23/25 gr | 24.5/26 gr |
The Big Bang Pattern
The unique distribution of holes is designed to balance the delivery in relation to the height and shape of the filter. By increasing the distance between holes towards the edge, it counteracts the natural tendency of water to channel along the basket walls.
Technical Specification
- Perforated Area: Ø 49 mm.
- Hole Diameter: 0.30 mm.
- Hole Shape: Circular with Conical cross section.
- Finishing: Electropolished for a non-contaminating surface.
*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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