A medical sterile packaging unit for a sterile-packaged medical product, in particular for a filter module, including a primary packaging with at least one sterile-packaged and hermetically sealed medical product inside it, at least one nestable tray, with a plurality of inserts for each of the medical products packaged in the primary packaging, and at least one sleeve which wraps around the at least one tray with the primary-packaged medical products contained in it.