P/N: 66ES-77A-50 Key Specs
Item
CALIBRATION GAS 66L R22 NITROGEN
Condition
New OEM Original
Calibration Certificate
NIST
Cylinder Diameter
2-9/10 in
Cylinder Material
Aluminum Alloy
For Use With
Any and All OEM Gas Detectors
Gas Mixture
50 PPM Refrigerant R22, Balance Air