Gaggia Professional Bottomless (Naked) Portafilter 21g Basket OEM Black Handle The bottomless portafilter, also referred to as the 'naked' portafilter, has become an essential complement to the barista tools in coffee shops geared to quality. Improves the extraction of espresso, gives a greater amount of crema and improves the sensory quality. No smell during extraction due no carbon deposits that cause sensations of burning. Used with the Gaggia Deco, D90/E90, GD/GE, LCD and XD/XE commercial machines. Supplied with 21g standard basket. Please note, these portafilters are commercially manufactured and may have small scratches, marks or nics which will not have any affect on the process of making espresso.