Precision basket for 54mm group heads (18-20g), ridgeless

Dimensions:
Outside diameter:                   66 mm (B66)
Height:                                    32 mm (H32)
Inside diameter:                      56 mm (for Ø 54 mm tamper)
Shape:                                    cylindrical with specific corner rounding

The shape was created by I.M.S. to obtain the optimal ratio between the base and height of the coffee puck in relation to capacity. The filter is cylindrical with a specific corner rounding at the base. This shape has been designed to exploit the whole coffee puck, which also facilitates drying and expulsion.

Perforation (specifics relating to the holes)
The I.M.S. perforation technique is exclusive and patented

Perforated area:                  Ø 44 mm
(the perforated area is optimized in relation to the shape of the filter)
Number of holes:                 641 Micro spacing (M)
(the number and distribution of the holes 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 holes:              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:  producing a smooth surface with unmatched sanitary and non-contaminating qualities

Compatibility:
La San Marco, Dalla Corte, Izzo, ACS (Vostok only)
(information from the manufacturer)

** does not fit Breville machines **

Made in Italy