Coffee Machine Steam Brush 6mm in diameter and 1ft long from Pallo. This is another cleaning and maintenance brush every espresso machine owner will definitely need! Also, this is highly suitable for small diameter steam wand pipes, even smaller home espresso machine steam wands. Keep that steam wand working like new and you will taste and see the difference in your steamed milk.
You can also check out the Pallo Grindminder Brush.