Nude, Bayard Alpert Gauge, Twin Tungsten Filament, 2 3/4″ Flange
Our GB20T is a Bayard Alpert style nude ionization gauge is mounted on a 2 3/4" flange and has a double helix tungsten grid, a tungsten collector, and a twin tungsten filament assembly. We can supply replacement filaments GF24 for the gauge or we can rebuild the gauge for you. See our Nude Ionization Gauge Cross Reference.