
Scientific Instrument Services has the largest selection of supplies and accessories for mass spectrometers. We can supply parts for Finnigan MAT, Hewlett Packard, Varian, VG and all other manufacturers of mass spectrometers. The following sections direct you to specific sections of our catalog. Be sure to check the Vacuum Section for additional accessories for your mass spectrometer (for vacuum pumps, oils, o-Rings, gaskets, etc.).