DURAN Stopcock Single way/Straight Boro-glass 3.3

DURAN Stopcock 3-way T-bore

DURAN Universal Stopcock

DURAN Stopcock Two-way Boro-glass 3.3

USBECK Gas Cylinder Holder

Glassco Normal-grade PTFE-plugged Single Way Stopcock

KARTELL PP/HDPE Stopcock

DURAN Precise Stopcocks