We supply InstruTech Convection and Hot Cathode Ionization gauges that are drop in replacements for MKS, Axcelis, Applied, and other OEM gauges with a variety of fittings including 1/8” NPT, NW16KF, NW25KF, and others. Our gauges are plug compatible and drop in replacements with guaranteed identical performance to the OEM products. Visit us for all InstruTech gauges and controllers.