GRAHAM FARQUHAR wrote:
> 
> Hi,
>         Can anyone help us find replacement ceramic feedthroughs for the
> stainless steel source flange for the VG SIRA or VG Isomass mass
> spectrometers? The feedthroughs for both machines are identical.
>         Thanks
> Graham Farquhar
> Environmental Biology Group
> Research School of Biological Sciences
> Australian National University
Dear Graham:

Replacement feedthroughs are available for ProVac Services in the UK. 
They can be contacted by phone/fax at 44-1270-501551.

Regards,
Nik Binder