8 mm (or 8-425) Compatible with Varian, Shimadzu: 9 mm (or 9-425) Compatible with most autosamplers, including Aijiren, Thermo Scientific, Waters: 10 mm (or 10-425) Compatible with Waters Alliance 2690: 11 mm: Use with either snap or crimp top seals: 13 mm (or 13-425) Compatible with Waters 48 position WISP, Shimadzu