Caps, Screw Top, with Orange Silicone Rubber / Ivory PTFE, low durometer Septa, fitted in smooth sided, Robo Style, soft polypropylene, Blue Caps. For use with 9-425mm thread, 12x32mm autosampler vials. MicroSolv Brand. 100/PK.
Orange-Red Silicone Rubber is softer than Natural Red Rubber and is better for your autosamplers. Ivory white is inert.
Compares to National Scientific / Thermo DP™ Screw Caps.