Stopcocks Offer Two or Three-Way Connections
Polypropylene-body Nalgene Stopcocks feature serrated outlets for easier tubing connection. Fit lab tubing with 1/4 to 5/16" I.D. Autoclavable. Choose 2mm or 4mm bore size.
3-Way Stopcock features three outlets arranged in a T-shape; connect any two or all three arms. Non-seizing, leak-proof plug.
Choose 2mm or 4mm bore size.