The filter shape with a rounded internal corner concentrates extraction towards the centre of the coffee puck, avoiding those section where the ground coffee is not well exploited during the extraction process. This is combine with a MICRO type of perforation that has a greater concentration of holes in a restricted area.

BORDER:  68 mm

BODY:  60 mm

RIDGE: Ridgeless

NUMBER OF HOLES: 641 holes in MICRO pattern in  44 mm