<ul><li>Tamper proof speed controller with one-touch fittings</li><li>Flow rate can be adjusted with a special tool</li><li>Extra protection against inadvertent operation</li><li>Elbow or universal style</li><li>Meter-in or meter-out control</li><li>Body sizes: M5, 1/8, 1/4, 3/8, 1/2</li><li>Various port and tube O.D. sizes in both inch and metric</li></ul>