CALGAZ

Specialty gases, namely argon, carbon dioxide, carbon monoxide, helium, hydrogen, nitrogen, sulfur hexafluoride, oxygen and mixtures thereof for use in the calibration of equipment; non-refillable metal containers sold containing compressed specialty gases, namely argon, carbon dioxide, carbon monoxide, helium, hydrogen, methane, nitrogen, sulfur hexafluoride, oxygen and mixtures thereof for use in the calibration of equipment; non-refillable bottles in the nature of metal cylinders for compresses gas, sold containing compressed specialty gases, namely argon, carbon dioxide, carbon monoxide, helium, hydrogen, methane, nitrogen, sulfur hexafluoride, oxygen and mixtures thereof for use in the calibration of equipment