<html><body><div style="color:#000; background-color:#fff; font-family:HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font-size:12pt"><div>Help</div><div>I bought a scuba regulator set for emergency breathing. When I pressurize the system, the first stage regulator is venting out a small vent on the side of the regulator. The vent hole has no threads, so I assume it is a vent. The amount of air is very slight, is this thing screwed. It works fine otherwise</div><div>Hank.</div></div></body></html>