just the flexible cover
this keeps the bladder working through its full range evenly instead of favoring one side
See our grinder burr maintenance guide for how to judge wear and swap burrs correctly
A steam valve that weeps or drips when fully closed is almost always this piston/gasket wearing out
La San Marco Portafilter - Double ascaso-innova-espresso-grinder-parts/i-2-i-2d-parts just the flexible coverLa San Marco Double Portafilter Body, Handle & Spout Complete La San Marco double portafilter body with handle and double spout, using 7. 4 mm ears, a 3 8" threaded spout connection, and an M10 threaded handle. SPECIFICATIONS 7. 4 mm ears 3 8" spout thread, M10 handle thread Includes handle, body, and double spout, spring and basket sold separately COMPATIBILITY Fits: La San Marco 100 S E DTC, 100 S E Practical Sprint, 105, 85 95, Old Manual group,