Bezzera Logo Bottomless Portafilter Overview Perfect as a training tool for shot prep and for fitting oversized triple shot baskets for 20g+ doses, the Bezzera Logo Bottomless Portafilter for BZ Group Machines is an excellent choice for experimenting with espresso on your Bezzera espresso machine. This uniquely styled portafilter features Bezzera’s Biscione logo and a unique contoured handle. Designed for use with Bezzera’s BZ group espresso machines, this portafilter is compatible with the Bezzera New Hobby, BZ10, BZ13, and DUO and Matrix DE machines. Does Not Include a Filter Basket Please Note: This portafilter is intended for use with Bezzera BZ group espresso machines. This portafilter is not compatible with machines from the following brands: Bezzera (machines with a E61 style brew group) Bezzera Strega Lever Machine E61 Group Espresso Machines Gaggia