Robot portafilter silicon o-ring
A food-grade silicone O-ring for use with the Cafelat Robot portafilter plate.
From time to time the silicone O-ring may require a quick rub with a food grade lubricant such as Dow 111.
Warning: Do not remove the O-ring from the plate unless you plan to replace it, removal may permanently damage the O-ring.
Robotic portafilter not included.