Good Espresso Extraction Using the espresso paper filter 58mm can allow water to flow through more paths across the coffee puck, avoiding fewer areas not being extracted, increase the average extraction and TDS of espresso. Material and function The 58mm espresso portafilter paper filters set made with food-safe premium paper pulp with filter storage holder, easy to pick up when making espresso, fit your espresso portafilter filters basket perfectly. Compatibility Compatible with Breville, Calphalon, Gevi, Mr. Coffee, De'Longh, Gaggia, Capresso 58mm Portafilter and other espresso machine 58mm Portafilter filters basket. Keep Shower Screen Clean Use on top of the puck to keep shower screen clean, minimizing brew head contact with coffee grounds, helps prevent coffee grounds from sticking to the espresso machine shower screen. Multiple Usage Methods The espresso paper filters can be used at the top of the basket along with the bottom of the