Specially designed lipid resistant 3-way stop cock with smooth tap rotation suitable during pressure infusion and invasive blood pressure monitoring. Made from clear, transparent polycarbonate which facilitates easy visualization of fluid flow. Rigid construction with circular flow channel prevents air entrapment. Smooth three arm handle is easy to operate and indicates fluid path. Minimum residual volume and uniform bore ensures maximum flow and minimum turbulence. Male luer lock with rotating nut prevents accidental disconnection. Sterile, individually packed in blister pack.