stylish coffee cups for home gatherings-O-ring 0040-20 Red Silicone

Found in the old Arc, Basic, Big Dream, Elipse and Steel units, mostly for the steam valve stem and pod portafilter spouts (two are used), as well as in some models of Bianchi and Saeco. They have a thickness of 2.0 mm and an internal diameter of 4.0 mm.