Snap ring vials, ND11. These vials are for use on instruments from the following manufacturers: Aijiren, CTC, DANI, Dionex, Jasco, Shimadzu, Spark, Thermo Scientific, Varian, VWR/Hitachi, Waters®, more. Vials can also be crimped with a standard 11 mm aluminium crimp seal, as the two snap-ring lips have the same height as a crimp neck.