The Rancilio OEM bottomless (naked) portafilter featuring an ergonomic handle and RR logo, fits Rancilio commercial machines, the Silvia and most E61 group machines. The bottomless portafilter enables the barista to now view the coffee extraction directly from the bottom of the filter basket. Baristas will know immediately if channeling occurred, while making them aware that a level tamp was not made.
Fits Rancilio commercial machines, Rancilio Silvia, and most E61 group machines including Astra, ECM Giotto,
Rocket, Giotto Premium, Faema, Expobar, Isomac, Vibiemme, Quick Mill, and Wega (Classic).