Caps, Screw Top, with Silicone Rubber / PTFE Pre-Slit Septa, bonded in "knurled", polypropylene, Black Caps. For use with 13-425mm thread, 15x45mm autosampler vials. MicroSolv Brand. 1000/CS.
Additional Info:
Pre-slit for easy penetration by autosampler needles. Recommended for older Waters® instruments. Use with 15x45mm, 4ml vials.
Click HERE for smaller pack quantities.