Difference Between Pressurised and Non-Pressurised Filter Baskets

When choosing a filter basket to use with your espresso machine you have two options; pressurised and a non-pressurised basket. But what exactly is the difference between them? And which is the best to use for a great coffee extraction?

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Is it possible to replace the basket I have with a non-pressure basket? Here below is my setup. The filter basket that comes with the unit is a pressure type, 51mm, and

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Don't hesitate to remove the bottom of your dedica portafilter and get a non pressure basket! : r/espresso

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