8-425 autosampler screw thread vials feature a standard opening design compatible with 5 mm inserts.

• Vials are precision manufactured from high-purity borosilicate glass
• Caps and vials matched for best closure integrity
• Available with or without writing patch
• Spring promotes alignment and ensures Insert seals against septa to help guard against evaporation loss
• Available pre-assembled, certified, clear glass

MS certified vial kits are tested and certified to meet or exceed up to 14 critical performance parameters. Loose caps and inserts come packaged in poly bags. Polypropylene screw closures available with red PTFE/white silicone septa.