- This E61 Group standard bottomless or naked portafilter features a clean precision cut and chrome job where a bottom and spout once resided. This portafilter will fit most any E61 style group head machine from manufacturers such as VBM, Rancilio and Expobar models. Comes standard with a 21 gram basket.
Using this portafilter the barista can watch the coffee brew right from the bottom of the filter basket and know immediately if channeling occurs, signaling the user that a level tamp was not made which makes this an invaluable tool for training.
This is an item that created quite a stir in the specialty coffee industry, crossing over to espresso hobby and enthusiasts as well. The bottomless portafilter has been referred to as “naked”, but what ever you call it, it is truly a revelation.
For an excellent guide on trouble shooting or “Perfecting the Naked Portafilter Extraction” read the article of the same title on Home-Barista.com.