Manifolds are designed with easy-to-grip handles and clear polycarbonate bodies for visibility. Medical's High & Medium Pressure Stopcocks and Manifolds are suitable for CathLab and other interventional applications and are designed to withstand 500 to 1200 psi pressure. St. Stone products are available in 1 way and 3 way configurations with rotating High Pressure adapters or a standard swivel luer lock nut.