Inficon MPG400 FPM-sealed Maintenance Kit, includes support centering ring, seals, ignition aid

This is the kit ONLY for the MPG400 FPM Sealed Inverted Magnetron Pirani Gauge. Maintenance Kit Includes: Support Ring, 2 FPM O-Rings, Ignition aids. For detailed instructions on how to replace MPG400/401 maintenance kit parts, see .pdf below, pages 17 thru 23. (This pricing is for the Kit Only, pumps, controllers, sensors sold separately.)