Hello, the seal for the 12gm. caplet has crumbled away. It is a light brown but I can no longer tell how hard or soft it should be. Could anyone please tell me what it should be made of, please, so I can try to make a new one. I would be prepared to buy a new valve assembly.
Information on any spares would be appreciated.
Thank you very much.
Cheers.
Geoff.