Is a Bottomless Portafilter Worth It?
A bottomless portafilter won't make your espresso better by itself — it shows you what's really happening in the puck, and who actually benefits from seeing it.
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Each guide answers a question customers have asked us. Right now that covers fitment and channeling for bottomless portafilters, and how puck screen sizing works across machines, including the La San Marco 54.5 mm case that trips up most size charts.
If you have a question we have not covered, send it through the contact page and we may write it up.
Puck Screen Sizes Explained: 54mm, 58mm, and La San Marco
Puck screens are not one-size-fits-all. Here is how to pick the right diameter for your machine, including the tricky La San Marco 54.5mm case, before you buy.
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