R401A Refrigerant Calibration Gas in Air contained in a 103 Liter Steel Disposable Cylinder, For Use with Any and All Gas Detectors, Cylinder connection C-10, Calibration Certificate NIST, Made in the USA, Calibration Refrigerant Gas is intended for use in Calibrating Refrigerant Gas Detection Equipment Only. NOT INTENDED FOR CHARGING Air CONDITIONING EQUIPMENT

Custom Specialty Gas Mixture - 20-25 Days Blend Time

Blend Tolerance +/- 5%