At some point TANOS redesigned the Systainer³ lid.
The original lid, denoted on the inside lower right panel as "A 1.1" has two tabs on the sides of the handle that lock it down with a very loud, high pitched click.
The newer lid, denoted as "A 2.1," has a single tab that locks down the front edge of the handle with a lower pitched, quieter click.




The original lid, denoted on the inside lower right panel as "A 1.1" has two tabs on the sides of the handle that lock it down with a very loud, high pitched click.
The newer lid, denoted as "A 2.1," has a single tab that locks down the front edge of the handle with a lower pitched, quieter click.



