Caps, Screw Top, with Silicone Rubber /PTFE Pre-Slit Septa, fitted in a smooth sided, Robo Style Yellow Caps. For use with 9-425 thread, 12x32mm autosampler vials. MicroSolv Brand. 100/PK.
Pre-slit for easy penetration by autosampler needles and to prevent "Septa Plunge". Compares to Thermo / National Scientific DP® Cap.
Click HERE for case quantities.