IMS Big Bang 58mm Portafilter Basket 17 - 21g Pre-Contentful 5mm diameter is compatible with

5mm diameter is compatible with most 58mm portafilters but baskets that narrow or tamper may prevent the tamper from descending fully

The best coffee is ground fresh

3 liter brew boiler

making this coffee maker very simple to use

Grinding is all operated manually via a switch that you press with the portafilter

IMS Big Bang 58mm Portafilter Basket 17 - 21g Pre-Contentful 5mm diameter is compatible withIMS Big Bang Portafilter Basket Overview Designed by IMS to encourage flavorful, high yield extractions, the Big Bang portafilter basket features a unique hole pattern that encourages water flow through the center of the puck. Deemed the "Big Bang" pattern by IMS, holes are more tightly spaced at 1. 5mm apart in the center of the basket and increase in distance towards the outer edges. In the center of the basket a 49mm area is perforated for optimal