The IMS Pro Barista Nano 15g filter basket is a precision-engineered portafilter basket designed to improve espresso extraction and shot quality. Its ridgeless, flat-bottom design with 661 evenly-spaced 0.30mm holes creates homogenous flow for superior results. Compatible with: Standard commercial style espresso machine portafilters This basket features a 22mm height, making it ideal for portafilters with slightly shallower depth or for traditional Italian-style double espresso shots. The nano-quartz coating eliminates metal flavor transfer and prevents discoloration over time, ensuring consistent performance and longevity.