We could supply 99.5% carbon monoxide CO gas for fish. 1. Gas purity: 99 ... 2. Charging pressure: 12.5MPa 99.5% carbon monoxide CO gas for fish and other gas specification: Product ... 9GB-T3634-1995CylinderChemical industry, glasses, synthetic cut stone.Industrial carbon dioxide ≥99.8GB-6052-85CylinderChemical industry, welding, casting ... GasC2H4O 100%WL2001/1374Cylinder 99.5% Carbon Monoxide Co Gas