ABC Permanent O-Ring

This permanent O-Ring is a great option when your regulator does not have a built-in o-ring.It screws into the CGA-320 Co2 tank valve and creates a good seal to help prevent air leaks what could arise in a metal on metal connection.It attaches directly to all Sherwood GV Series and Intermed cylinder valves, no drilling or tapping needed. WARNING: This product has Brass components.Brass alloys are known to contain trace amounts of Lead, which is known to the State of California to cause cancer and reproductive harm.For more information, go to www.P65Warnings.ca.gov.