New and Certified Pre-Owned

Gas Chromatography

Specializing in recertified Agilent Gas Chromatography systems, GMI provides a large selection of GC solutions for every budget and application. We also offer Thermo Scientific and other leading brands—all backed by a full warranty, price match guarantee, and expert OEM-trained support.

Request a Quote Today Schedule a Free Consultation

Trusted by

“I’ve purchased re-certified GCs from GMI during my tenure at two different institutions, and have received excellent service and support for both. Their staff are personable, well-informed, and respectful of financial constraints. Highly recommended.”

Anna Mansfield

Schedule a Free Consultation

What does GMI Certified Pre-Owned mean?

GMI’s Certified Pre-Owned systems are recertified to factory standards by our expert engineers, who bring unmatched industry experience to every system. Each system comes with a 1-year warranty, giving your lab peace of mind, reliability, and performance like new.

Browse Our Selection

Certified Pre-Owned Agilent GC-MS/MS Systems

Delivering high-performance, reliable solutions for demanding analytical applications. Our inventory includes industry-leading platforms such as the Agilent 5973, 5975, and 5977 GC/MS systems, as well as advanced triple quadrupole systems like the Agilent 7000, 7010, and 7890 GC-MS/MS.

Each system is thoroughly inspected, refurbished, and recertified by our OEM-trained engineers to ensure optimal sensitivity, accuracy, and performance. Whether you’re conducting trace-level analysis, regulatory testing, or high-throughput workflows, GMI provides cost-effective GC-MS/MS solutions tailored to your lab’s needs.

Shop Agilent GC-MS/MS

Service Department

From cutting-edge systems to legacy models, GMI keeps your GC units running at peak performance. Choose On-Site Service Plans or Depot Repairs, all handled by OEM-trained engineers with 22+ years of experience. Fast, reliable, and professional—every time.

Learn More

Looking to Sell Your GC System?

GMI is actively buying used Agilent Gas Chromatography equipment. Get a fair, fast offer from experts who understand your equipment and its value. Turn your unused systems into cash.

Sell My Equipment Now

Find the Right System for Your Lab

We’re here to help you choose the best solution and support all your laboratory needs.

Schedule a Free Consultation