Zero Air Gas for Calibration | 34LS-1ZA | AI ZP34 |

GASCO Zero Air Calibration Gas, 20.9% Oxygen (O2) in a 34 Liter Cylinder Steel Cylinder, Connection Type CGA 600, Certification NIST, Made in the USA

Our Precision Calibration Gas also known as Cal Gas, is used for the Calibration and Maintenance of Gas Detectors and Sensors. All of our GASCO Calibration Gas Cylinders ship with a Certificate of Analysis (COA). GASCO Calibration Gas meets or exceeds the requirements of the Original Gas Detection Equipment Manufactures Specifications. GASCO Calibration Gas is National Institute of Standards and Technology (NIST) Traceable, GASCO Calibration Gas is Made in the USA.