Nature PTFE/nature Silicone septa, 13mm black screw polypropylene cap, 8.5mm centre hole

These 13-425 screw thread vials, caps, and septa are specifically designed for use with the Waters WISP 48-Position Autosampler, ensuring reliable performance and compatibility in chromatographic laboratory workflows.
The autosampler vials are manufactured from premium borosilicate glass, available in clear Type I Class A or amber Type I Class B glass. Each vial includes a write-on identification patch, allowing clear labeling and easy sample tracking during analytical procedures.
The screw caps are produced from high-quality polypropylene, manufactured to precise tolerances to ensure a secure and consistent seal. Caps are assembled in a controlled manufacturing environment, helping maintain high quality and dependable performance. These caps are available exclusively in black.
The septa are manufactured using high-performance materials designed to provide reliable sealing and injection performance. Pre-slit septa options are available, allowing easier needle penetration during autosampler injections and improving operational efficiency.
This vial, cap, and septum combination provides a reliable solution for chromatography sample preparation, particularly in laboratories using Waters WISP autosampler systems for analytical applications.