Nitrogen purifier modules from VICI Metronics
Purifiers from VICI Metronics are designed to go in-line with the carrier or detector gas supply. These include models which were original equipment gas purifiers for the Agilent Mass Spec and LC Mass Spec.

Heated nitrogen purifiers from VICI Valco Instruments

Also available in a compact miniature version, these heated nitrogen purifiers are the only ones which remove methane. For applications which can tolerate methane, unheated Metronics nitrogen purifiers offer an economical gas purification option.