Desiccator stopcocks, borosilicate glass 3.3, for lid connection

Desiccator stopcocks, borosilicate glass 3.3, for side connection

Stopcock for Desiccators, soda-lime glass

Stopcocks for desiccators, DURAN^® type MOBILEX

Stopcocks for desiccators, DURAN^® type NOVUS, for lid connection

Stopcocks for desiccators, DURAN^® type NOVUS, for side connection

Burette stopcocks, boro 3.3, amber

Needle-valve stopcocks, DURAN^® tubing

***after clearance sale no longer available*** DURAN® Capillary-single way stopcocks, ground and polished, without keys, NS 12.