Yama Glass Server - 16oz resources/bottomless-portafilters Rancilio MD-40 Grind Adjustment Collar

Rancilio MD-40 Grind Adjustment Collar

Fits: Rancilio machines using this drain/expansion valve configuration

then run water through it and adjust the screen tighter or looser to get the best

it doesn't free your hands entirely

Diameter: 50 mm

Yama Glass Server - 16oz resources/bottomless-portafilters Rancilio MD-40 Grind Adjustment CollarThis glass decanter has a very elegant stand alone look while the thick borosilicate glass is quality to the touch. Hand blown borosilicate glass, the glass of choice by cafs, restaurants, and even scientists contains boron trioxide so it is very adaptable to thermal expansion meaning it won't crack under extreme temperatures like regular glass making it the perfect material used for hot and cold coffee brews. Beaker doubles as a decanter. Comfortable