Microsolv Screw Cap white, Solid, knurled PP, with Blue PTFE/EPDM Rubber/Blue PTFE Liner, for 24-400mm threaded EPA Style vials, 100 pc/PAK

Caps, Screw Top, Solid, with Blue PTFE / EPDM Rubber / Blue PTFE Liner, fitted in knurled polypropylene, White Caps. For use with 24-400mm threaded EPA Style vials. ND24 threads. MicroSolv Brand