One-Way Luer-Lock Clear Stopcock (20 Pack)

The One-Way Luer-Lock Clear Stopcock by Zymo Research (S7001) is a 20-pack of transparent, single-use stopcocks with luer-lock fittings for precise vacuum flow control on the Zymo Research EZ-Vac Vacuum Manifold. Each stopcock delivers individual column control during vacuum-assisted DNA, RNA, and protein purification workflows.