Expansion valve nipple

When you replace gaskets in your espresso machine it might be handy that you use some kind of lubricant to lubricate your o rings or rubber like gaskets. But you don’t replace gaskets that often, then the need for a big tube of silicone grease is not a necessity. In this case we have a small, closable, tube of silicone grease. This tube contains 6 grams...