Marquis® Series Stopcocks

The Marquis® Series Stopcock is another innovative accessory product from Merit. Our larger, easy-grip handle makes a Marquis Stopcock effortless to grip and turn.

Using the same state-of-the-art design that made Merit’s Manifold the industry standard, the Marquis Series Stopcock offers unsurpassed feel and ease-of-use. Available in pressure ratings of 200, 500 and 1050 PSI with the easiest turning handles on the market. Of course, the best test of any Marquis Stopcock is a direct comparison with any competing product. Once you’ve tried them all, you’ll know why Marquis Series Stopcocks are truly “a cut above the rest.”

• AIRLESS ROTATORS
• CLEAR INNER LUMEN
• SHARKS FIN HANDLE