Transparent Portafilters

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Tije's Transparent Portafilter clip3 from Frans Goddijn on Vimeo.
Tije de Jong made this Transparant Portafilter. Here are a few first extractions with it. Sometimes at the end when the pressure drops (backflush) the puck expands surprisingly. Also, it seems a firm and level tamp helps a lot to get a delicious extraction, at least in this test setup.


Transparent Filter Basket on LONDINIUM I from Frans Goddijn on Vimeo.


Tije's La Pavoni Transparent portafilter shots from Frans Goddijn on Vimeo.


Tije's La Pavoni Transparent Portafilter from Frans Goddijn on Vimeo.
Stephen Sweeney's TPF - Transparent PortaFilter from Roemer Overdiep on Vimeo.
Transparent PortaFilter - EXTRA FOOTAGE - Stephen Sweeney's TPF from Roemer Overdiep on Vimeo.
THE LAST BLAST from Roemer Overdiep on Vimeo.

PS 11 nov 2018: there is a new 'generation' of the portafilter produced by someone else now:

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