Where can I find spare Sydarm o-rings?

[Riddler236]

Hi all,
Looking for a source for Sydarm o-rings, specifically the two on the valve body and the two on the 12-gram piercer that keep the seal for airflow. Kindly point me to where I can attain these.

Thanks in advance!

[starchief1959]

AGD just started selling a rebuild kit, I think tunaman also has them.

[Riddler236]

awesome, thanks.