About this item I.M.S. produces a range of competitive filters that bring out the most out of your coffee. Description: Average capacity 18/22 grams | B70 2TC H28.5 E Shape: border: 70 mm (B70) | height: 28.5 mm (H28.5) | corpo: 60 mm for 58 mm tamper | ridgeless | shape: cylindrical with convex base | the shape was made by I.M.S. created to maintain the correct ratio between the bottom and height of the coffee puck in terms of capacity. The filter is cylindrical with a specific corner rounding at the bottom. This mould is designed to use the whole coffee puck, which also makes drying and exit easier. Perforation: I.M.S. Perforation is exclusive and patented | Perforated area: 49 mm | Area optimized in terms of the shape of the filter | Number of holes: 715 Micro Pitch (E) | Number and distribution of perforations are designed to balance delivery in terms of height and shape of the filter and hole area. | Hole diameter: 0.30 mm | Hole shape: circle with conical cross section | Competition perforation: Relaminated and recalibrated IMS. producerer en række konkurrencefiltre, der får mest muligt ud af din kaffe.