Mazzer Robur/Kony/Super Jolly/Royal Anti-static Doser Screen
This is affixed to the outside of the funnel with the orientation hole facing you on the bottom right as it placed against the funnel. For the Royal and Super Jolly the orientation hole should be on the bottom left. The sticky side of the sticker is then placed on top of this "hook" side to the right) holding it onto the funnel. Requires an adhesive gasket to keep it in place.