WPM ESPCUP Coffee Distribution Tool The ESPCUP by WPM allows you to sift your coffee grounds, breaking them up and evenly distributing them into the filter basket. How it works Place the ESPCUP on your portafilter, pour your coffee grounds into the ESPCUP and turn the sifter to work the grounds through the mesh which will break up any lumps and distribute the coffee into the filter basket. The mesh filter is removable for easy cleaning. Diameter : 60mm Height : 85mm