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Mixed Gases

20% Carbon Dioxide Balance Argon Industrial Mix, Size 100 High Pressure Steel Cylinder, CGA-580

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20% Carbon Dioxide Balance Argon Industrial Mix, Size 100 High Pressure Steel Cylinder, CGA-580

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20% Carbon Dioxide Balance Argon Industrial Mix, Size 100 High Pressure Steel Cylinder, CGA-580

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Airgas Part #: AR CD20125

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5% Hydrogen Balance Argon Industrial Mix, Size 300 High Pressure Steel Cylinder, CGA-350

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5% Hydrogen Balance Argon Industrial Mix, Size 300 High Pressure Steel Cylinder, CGA-350 5% Hydrogen Balance Argon Industrial Mix, Size 300 High Pressure Steel Cylinder, CGA-350

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5% Hydrogen Balance Argon Industrial Mix, Size 300 High Pressure Steel Cylinder, CGA-350

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Airgas Part #: AR HY5300

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5% Hydrogen, 5% Carbon Dioxide Balance Nitrogen Biologic Atmosphere Batch Analyzed Mixture, Size 200 High Pressure Steel Cylinder, CGA-350

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5% Hydrogen, 5% Carbon Dioxide Balance Nitrogen Biologic Atmosphere Batch Analyzed Mixture, Size 200 High Pressure Steel Cylinder, CGA-350 5% Hydrogen, 5% Carbon Dioxide Balance Nitrogen Biologic Atmosphere Batch Analyzed Mixture, Size 200 High Pressure Steel Cylinder, CGA-350

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5% Hydrogen, 5% Carbon Dioxide Balance Nitrogen Biologic Atmosphere Batch Analyzed Mixture, Size 200 High Pressure Steel Cylinder, CGA-350

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Airgas Part #: Z03NI9022000008

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50% Helium Balance Argon Industrial Mix, Size 300 High Pressure Steel Cylinder, CGA-580

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50% Helium Balance Argon Industrial Mix, Size 300 High Pressure Steel Cylinder, CGA-580 50% Helium Balance Argon Industrial Mix, Size 300 High Pressure Steel Cylinder, CGA-580

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50% Helium Balance Argon Industrial Mix, Size 300 High Pressure Steel Cylinder, CGA-580

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Airgas Part #: AR HE50300

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Lz 4% Carbon Monoxide 8% Carbon Dioxide 28% Helium Balance Nitrogen, Laserplus 483 Mixture, Size 150 High Pressure Aluminum Cylinder, CGA-350

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Lz 4% Carbon Monoxide 8% Carbon Dioxide 28% Helium Balance Nitrogen, Laserplus 483 Mixture, Size 150 High Pressure Aluminum Cylinder, CGA-350 Lz 4% Carbon Monoxide 8% Carbon Dioxide 28% Helium Balance Nitrogen, Laserplus 483 Mixture, Size 150 High Pressure Aluminum Cylinder, CGA-350

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Lz 4% Carbon Monoxide 8% Carbon Dioxide 28% Helium Balance Nitrogen, Laserplus 483 Mixture, Size 150 High Pressure Aluminum Cylinder, CGA-350

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Airgas Part #: X04NI60Z15A0074

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25% Carbon Dioxide Balance Nitrogen Food Grade Industrial Mix, Size 60 High Pressure Steel Cylinder, CGA-580

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25% Carbon Dioxide Balance Nitrogen Food Grade Industrial Mix, Size 60 High Pressure Steel Cylinder, CGA-580 25% Carbon Dioxide Balance Nitrogen Food Grade Industrial Mix, Size 60 High Pressure Steel Cylinder, CGA-580

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25% Carbon Dioxide Balance Nitrogen Food Grade Industrial Mix, Size 60 High Pressure Steel Cylinder, CGA-580

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Airgas Part #: NI FGCD2560

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5% Carbon Dioxide Balance Argon Industrial Mix, Size 300 High Pressure Steel Cylinder, CGA-580

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5% Carbon Dioxide Balance Argon Industrial Mix, Size 300 High Pressure Steel Cylinder, CGA-580 5% Carbon Dioxide Balance Argon Industrial Mix, Size 300 High Pressure Steel Cylinder, CGA-580

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5% Carbon Dioxide Balance Argon Industrial Mix, Size 300 High Pressure Steel Cylinder, CGA-580

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Airgas Part #: AR CD5300

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25PPM Hydrogen Sulfide, 100PPM Carbon Monoxide, 2.5% Methane, 18% Oxygen Balance Nitrogen Certified Standard Mixture, 34 Liter Disposable Aluminum Cylinder, CGA-C10

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25PPM Hydrogen Sulfide, 100PPM Carbon Monoxide, 2.5% Methane, 18% Oxygen Balance Nitrogen Certified Standard Mixture, 34 Liter Disposable Aluminum Cylinder, CGA-C10 25PPM Hydrogen Sulfide, 100PPM Carbon Monoxide, 2.5% Methane, 18% Oxygen Balance Nitrogen Certified Standard Mixture, 34 Liter Disposable Aluminum Cylinder, CGA-C10

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25PPM Hydrogen Sulfide, 100PPM Carbon Monoxide, 2.5% Methane, 18% Oxygen Balance Nitrogen Certified Standard Mixture, 34 Liter Disposable Aluminum Cylinder, CGA-C10

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Airgas Part #: X05NI79CA3459B2

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22.5% Oxygen Balance Nitrogen EPA Protocol Standard Mixture, Size 150 High Pressure Aluminum Cylinder, CGA-296

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22.5% Oxygen Balance Nitrogen EPA Protocol Standard Mixture, Size 150 High Pressure Aluminum Cylinder, CGA-296 22.5% Oxygen Balance Nitrogen EPA Protocol Standard Mixture, Size 150 High Pressure Aluminum Cylinder, CGA-296

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22.5% Oxygen Balance Nitrogen EPA Protocol Standard Mixture, Size 150 High Pressure Aluminum Cylinder, CGA-296

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Airgas Part #: E02NI77E15A0084

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0.3% Methane, 0.3% Carbon Monoxide, 21% Oxygen Balance Nitrogen Lung Diffusion Grade, Size E High Pressure Steel Medical Cylinder, CGA-973

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0.3% Methane, 0.3% Carbon Monoxide, 21% Oxygen Balance Nitrogen Lung Diffusion Grade, Size E High Pressure Steel Medical Cylinder, CGA-973 0.3% Methane, 0.3% Carbon Monoxide, 21% Oxygen Balance Nitrogen Lung Diffusion Grade, Size E High Pressure Steel Medical Cylinder, CGA-973

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0.3% Methane, 0.3% Carbon Monoxide, 21% Oxygen Balance Nitrogen Lung Diffusion Grade, Size E High Pressure Steel Medical Cylinder, CGA-973

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Airgas Part #: Z04NI785ME0012

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ARCAL™ Chrome Shielding Gas Mixture 2% Carbon Dioxide, Balance Argon, Size 300 High Pressure Steel Cylinder, 12-Pack, CGA-580

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ARCAL™ Chrome Shielding Gas Mixture 2% Carbon Dioxide, Balance Argon, Size 300 High Pressure Steel Cylinder, 12-Pack, CGA-580

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ARCAL™ Chrome Shielding Gas Mixture 2% Carbon Dioxide, Balance Argon, Size 300 High Pressure Steel Cylinder, 12-Pack, CGA-580

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Airgas Part #: ACLCHROMEC23

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3.4% Carbon Dioxide, 15.6% Nitrogen Balance Helium Laserplus 324 Mixture, Size 300 High Pressure Steel Cylinder, CGA-580

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3.4% Carbon Dioxide, 15.6% Nitrogen Balance Helium Laserplus 324 Mixture, Size 300 High Pressure Steel Cylinder, CGA-580 3.4% Carbon Dioxide, 15.6% Nitrogen Balance Helium Laserplus 324 Mixture, Size 300 High Pressure Steel Cylinder, CGA-580

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3.4% Carbon Dioxide, 15.6% Nitrogen Balance Helium Laserplus 324 Mixture, Size 300 High Pressure Steel Cylinder, CGA-580

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Airgas Part #: X03HE81Z3000395

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.4% Carbon Monoxide 30% Carbon Dioxide Balance Nitrogen Food Grade Industrial Mix, Size 150 High Pressure Aluminum Cylinder, CGA-350

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.4% Carbon Monoxide 30% Carbon Dioxide Balance Nitrogen Food Grade Industrial Mix, Size 150 High Pressure Aluminum Cylinder, CGA-350 .4% Carbon Monoxide 30% Carbon Dioxide Balance Nitrogen Food Grade Industrial Mix, Size 150 High Pressure Aluminum Cylinder, CGA-350

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.4% Carbon Monoxide 30% Carbon Dioxide Balance Nitrogen Food Grade Industrial Mix, Size 150 High Pressure Aluminum Cylinder, CGA-350

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Airgas Part #: NI FGCD30CM415A

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25% Carbon Dioxide Balance Nitrogen Food Grade Industrial Mix, Size 80 High Pressure Steel Cylinder, CGA-580

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25% Carbon Dioxide Balance Nitrogen Food Grade Industrial Mix, Size 80 High Pressure Steel Cylinder, CGA-580 25% Carbon Dioxide Balance Nitrogen Food Grade Industrial Mix, Size 80 High Pressure Steel Cylinder, CGA-580

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25% Carbon Dioxide Balance Nitrogen Food Grade Industrial Mix, Size 80 High Pressure Steel Cylinder, CGA-580

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Airgas Part #: NI FGCD2580

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5% Carbon Dioxide Balance Oxygen USP Drug Mix, 1900 PSI Size 200 High Pressure Steel Medical Cylinder, CGA-280

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5% Carbon Dioxide Balance Oxygen USP Drug Mix, 1900 PSI Size 200 High Pressure Steel Medical Cylinder, CGA-280

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5% Carbon Dioxide Balance Oxygen USP Drug Mix, 1900 PSI Size 200 High Pressure Steel Medical Cylinder, CGA-280

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Airgas Part #: Z02OX9512000033

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25% Carbon Dioxide Balance Argon Industrial Mix, Size 250 High Pressure Steel Cylinder, CGA-580

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25% Carbon Dioxide Balance Argon Industrial Mix, Size 250 High Pressure Steel Cylinder, CGA-580 25% Carbon Dioxide Balance Argon Industrial Mix, Size 250 High Pressure Steel Cylinder, CGA-580

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25% Carbon Dioxide Balance Argon Industrial Mix, Size 250 High Pressure Steel Cylinder, CGA-580

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Airgas Part #: AR CD25250

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20% Carbon Dioxide Balance Argon Industrial Mix, Size 80 High Pressure Steel Cylinder, CGA-580

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20% Carbon Dioxide Balance Argon Industrial Mix, Size 80 High Pressure Steel Cylinder, CGA-580 20% Carbon Dioxide Balance Argon Industrial Mix, Size 80 High Pressure Steel Cylinder, CGA-580

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20% Carbon Dioxide Balance Argon Industrial Mix, Size 80 High Pressure Steel Cylinder, CGA-580

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Airgas Part #: AR CD2080

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90PPM Nitric Oxide Balance Nitrogen EPA Protocol Standard Mixture, Size 150 High Pressure Aluminum Cylinder, CGA-660

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90PPM Nitric Oxide Balance Nitrogen EPA Protocol Standard Mixture, Size 150 High Pressure Aluminum Cylinder, CGA-660 90PPM Nitric Oxide Balance Nitrogen EPA Protocol Standard Mixture, Size 150 High Pressure Aluminum Cylinder, CGA-660

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90PPM Nitric Oxide Balance Nitrogen EPA Protocol Standard Mixture, Size 150 High Pressure Aluminum Cylinder, CGA-660

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Airgas Part #: E02NI99E15A3576

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25% Carbon Dioxide Balance Argon Industrial Mix, Size 300 High Pressure Steel Cylinder, CGA-580

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25% Carbon Dioxide Balance Argon Industrial Mix, Size 300 High Pressure Steel Cylinder, CGA-580 25% Carbon Dioxide Balance Argon Industrial Mix, Size 300 High Pressure Steel Cylinder, CGA-580

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25% Carbon Dioxide Balance Argon Industrial Mix, Size 300 High Pressure Steel Cylinder, CGA-580

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Airgas Part #: AR CD25300BLU8

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5% Carbon Dioxide, 40% Helium Balance Nitrogen Laserplus 321 Mixture, Size 300 High Pressure Steel Cylinder, CGA-580

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5% Carbon Dioxide, 40% Helium Balance Nitrogen Laserplus 321 Mixture, Size 300 High Pressure Steel Cylinder, CGA-580 5% Carbon Dioxide, 40% Helium Balance Nitrogen Laserplus 321 Mixture, Size 300 High Pressure Steel Cylinder, CGA-580

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5% Carbon Dioxide, 40% Helium Balance Nitrogen Laserplus 321 Mixture, Size 300 High Pressure Steel Cylinder, CGA-580

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Airgas Part #: X03NI55Z3000115

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Find Custom Gas Mixtures For Every Need At Airgas

Get EPA protocol gases, precision blends, medical blends, batch certified mixes, Arcal, industrial shielding gases for welding and more at Airgas. Gas mixtures can be for medical, calibration, or food industry uses and are used as welding and shielding gases. Produced at Airgas's dedicated fill plants, you can trust accurate, consistent mixture production and complete quality control.


Airgas is a leading single-source supplier for all things gases, welding equipment and supplies, and safety products. Find it with us, anytime, anywhere at Airgas.com.