I pre-slit chromatography vial septa for sale UK-Aijiren HPLC Vials 2 mL, 9 mm, Screw Top Vial with PTFE/Silicone Pre-slit Closure-Kit. PerkinElmer. for fit and compatibility, our convenience kits are guaranteed to fit and perform with PerkinElmer and non-PerkinElmer instruments.