Supplement for hobbyists: the "Krups FDK 441 Spare parts" (or "451/452 spare parts") can quickly find replacement via common search engines. Significantly, there is exactly for the device as a further spare parts in the lower fairing of the handle, so the part that almost inevitably breaks when changing. The latter I can save (for the function not critical) and then come incl. Shipping to nearly 14 abroad is the closure partially offered for 1, but as long as I do not want to wait. Manufacturer Part Number: TS01040860