Port Cap for Medela Pump In Style Advanced - Medela part number 8207036.
Sorry, this item has been discontinued by Medela and is no longer available. If your port cap looks like this and you need to replace it, please order the new version of the port cap at this link.
If you have this discontinued port cap and you need to replace it, you will also need to replace your Diaphram Cap with the new Diaphram Cap which can be seen here.
When will my order arrive?