One-Way Stopcock Valve, Polypropylene (PP) Body, HDPE Plug, Female Luer to Male Luer

These stopcocks are made of polypropylene and high density polyethylene, designed for use in SPE solid phase extraction and chromatography with various solvents.

• The stopcocks tolerate a broader range of solvents and chemicals than polycarbonate- or nylon-made devices.
• They allow optimization of sample flow rates during phase separation and extraction.
• The diverter offers excellent low friction properties.
• The product is compatible with most vacuum manifolds.