Calibration Gas for BioSystems PN 54-9057
Integrity Calibration Gas for BioSystems PN 54-9057: 25 ppm hydrogen sulfide/ balance nitrogen
Ideal Cylinder Size: 34 liter cylinder
Shelf Life: 3 years
Our prices are better than OEM’s and distributors for Biosystems Replacement Calibration Gas Standard and here’s why: Integrity Gases, Inc. is the premier manufacturer of Biosystems replacement calibration gas standards in portable cylinders. OEM Gas Detector Manufacturers are resellers. We actually make calibration gases.