GW8.01 – Stopcock Straight Bore
GW8.02 – Stopcock Oblique Bore
GW8.03 – Stopcock Three Way
GW8.04 – Stopcock Vertical Drip
GW8.05 – Stopcock for Burette
GW8.06 – Stopcock for Separating Funnel
GW8.07 – Stopcock for Aspirators
GW8.08 – Screw Type PTFE Key Stopcock
GW8.09 – High Vaccum Stopcock
GW8.10 – Stopcock L Type