This is the Torpedo Valve Retainer for U system keg beer couplers. It goes inside the coupler above the Torpedo Valve and prevents the valve from blocking beer flow into the line. It is compatible with the G408.
compatible with G408
Guinness / Harp
WARNING: This product can expose you to chemicals including styrene, which is known to the State of California to cause cancer. For more information, go to www.P65Warnings.ca.gov.