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GfG Products

For over 15 years, Fox Valley Safety has been a proud distributor and service of GfG Instrumentation’s gas detection line of products. GfG Instrumentation is a world leader for gas detection and measurement technology. Offering an extensive range of fixed and portable monitors, they provide a diverse solution for toxic, explosive, and oxygen gas detection.


Gas Detection Solutions from GfG:

  • Portable Gas Monitors
  • Single gas detectors
  • Standard 4-gas detectors – O2, CO, H2S, CH4
  • Multigas detectors – customizable
  • Fixed Systems & Respiratory Air Monitors

GfG Calibrations & Service

Fox Valley Safety’s technicians are here to calibrate and service your GfG portable gas monitors. Fill out the Gas Detector Service Request and drop off or ship your monitor to us for quick, reliable service.


The GfG G450 4-gas monitor is compact and rugged, perfect for industrial and contractor use. This monitor is our most popular 4-gas option; in fact, it is the only 4-gas monitor in our rental fleet because of its ease-of-use and durability. Made with top-notch German engineering, the monitor comes with a full 3-year warranty, including sensors. The G450 has the lowest cost of ownership of any confined space gas detector on the market today!

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