glass stopcocks
- One-way stopcocks, AR glass, with solid glass plug
- One-way stopcocks, AR glass, with PTFE-plug
- Two-way stopcocks, AR glass, with solid glass plug
- Two-way stopcocks, DURAN, with solid glass plug
- Two-way stopcocks, DURAN, with PTFE-plug
- Silicone stopcock grease, Bayer brand, medium viscosity
- One-way stopcocks, DURAN, DIN 12541, with solid glass plug
- One-way stopcocks, DURAN, DIN 12541, with NS plug of PTFE
- Safety needle-valve stopcocks, DURAN
