Take advantage of the industry-leading performance and expertise you'll find with the specialty gas team at Airgas. When you need high-purity gases and precision blends, Airgas has the technical know-how and the national presence to meet your needs anywhere across the U.S.


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40% Carbon Dioxide, Balance Carbon Monoxide Furnace Gas, Size 150 High Pressure Aluminum Cylinder, CGA 350

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40% Carbon Dioxide, Balance Carbon Monoxide Furnace Gas, Size 150 High Pressure Aluminum Cylinder, CGA 350 40% Carbon Dioxide, Balance Carbon Monoxide Furnace Gas, Size 150 High Pressure Aluminum Cylinder, CGA 350

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40% Carbon Dioxide, Balance Carbon Monoxide Furnace Gas, Size 150 High Pressure Aluminum Cylinder, CGA 350

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Airgas Part #:X02CM60G15A1114

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Airgas® 3 3/8" 1/4 Turn Brass Diaphragm Packless Valve With 1/4" MNPT Inlet And 1/4" MNPT Outlet

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Airgas® 3 3/8" 1/4 Turn Brass Diaphragm Packless Valve With 1/4" MNPT Inlet And 1/4" MNPT Outlet

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Airgas® 3 3/8" 1/4 Turn Brass Diaphragm Packless Valve With 1/4" MNPT Inlet And 1/4" MNPT Outlet

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Airgas Part #:Y374DBMFL-AG

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20PPM Hydrogen Sulfide, 60PPM Carbon Monoxide, 1.45% Methane, 15% Oxygen, Balance Nitrogen Certified Reference Material, 34 Liter Portable Disposable Aluminum Cylinder, CGA C10

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20PPM Hydrogen Sulfide, 60PPM Carbon Monoxide, 1.45% Methane, 15% Oxygen, Balance Nitrogen Certified Reference Material, 34 Liter Portable Disposable Aluminum Cylinder, CGA C10 20PPM Hydrogen Sulfide, 60PPM Carbon Monoxide, 1.45% Methane, 15% Oxygen, Balance Nitrogen Certified Reference Material, 34 Liter Portable Disposable Aluminum Cylinder, CGA C10

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20PPM Hydrogen Sulfide, 60PPM Carbon Monoxide, 1.45% Methane, 15% Oxygen, Balance Nitrogen Certified Reference Material, 34 Liter Portable Disposable Aluminum Cylinder, CGA C10

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Airgas Part #:X05NI83CA340008

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Laser Grade Carbon Dioxide, Size 200 High Pressure Steel Cylinder, CGA 320 Washer

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Laser Grade Carbon Dioxide, Size 200 High Pressure Steel Cylinder, CGA 320 Washer

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Laser Grade Carbon Dioxide, Size 200 High Pressure Steel Cylinder, CGA 320 Washer

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Airgas Part #:CD LZ200

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85PPM Carbon Monoxide, 128PPM Sulfur Dioxide, 128PPM Nitirc Oxide, Balance Nitrogen EPA Protocol Standard Mixture, Size 150 High Pressure Aluminum Cylinder, CGA 660

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85PPM Carbon Monoxide, 128PPM Sulfur Dioxide, 128PPM Nitirc Oxide, Balance Nitrogen EPA Protocol Standard Mixture, Size 150 High Pressure Aluminum Cylinder, CGA 660 85PPM Carbon Monoxide, 128PPM Sulfur Dioxide, 128PPM Nitirc Oxide, Balance Nitrogen EPA Protocol Standard Mixture, Size 150 High Pressure Aluminum Cylinder, CGA 660

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85PPM Carbon Monoxide, 128PPM Sulfur Dioxide, 128PPM Nitirc Oxide, Balance Nitrogen EPA Protocol Standard Mixture, Size 150 High Pressure Aluminum Cylinder, CGA 660

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Airgas Part #:E04NI99E15A59F4

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10% Oxygen, 10% Carbon Dioxide, Balance Nitrogen EPA Protocol Standard Mixture, Size 80 High Pressure Aluminum Cylinder, CGA 590

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10% Oxygen, 10% Carbon Dioxide, Balance Nitrogen EPA Protocol Standard Mixture, Size 80 High Pressure Aluminum Cylinder, CGA 590 10% Oxygen, 10% Carbon Dioxide, Balance Nitrogen EPA Protocol Standard Mixture, Size 80 High Pressure Aluminum Cylinder, CGA 590

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10% Oxygen, 10% Carbon Dioxide, Balance Nitrogen EPA Protocol Standard Mixture, Size 80 High Pressure Aluminum Cylinder, CGA 590

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Airgas Part #:E03NI80E80A7767

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12% Oxygen, Balance Nitrogen EPA Protocol Standard Mixture, Size 150 High Pressure Aluminum, CGA 590

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12% Oxygen, Balance Nitrogen EPA Protocol Standard Mixture, Size 150 High Pressure Aluminum, CGA 590 12% Oxygen, Balance Nitrogen EPA Protocol Standard Mixture, Size 150 High Pressure Aluminum, CGA 590

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12% Oxygen, Balance Nitrogen EPA Protocol Standard Mixture, Size 150 High Pressure Aluminum, CGA 590

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Airgas Part #:E02NI88E15A3424

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18PPM Nitric Oxide, 18PPM Carbon Monoxide, Balance Nitrogen EPA Protocol Standard Mixture, Size 150 High Pressure Aluminum, CGA 660 Washer

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18PPM Nitric Oxide, 18PPM Carbon Monoxide, Balance Nitrogen EPA Protocol Standard Mixture, Size 150 High Pressure Aluminum, CGA 660 Washer 18PPM Nitric Oxide, 18PPM Carbon Monoxide, Balance Nitrogen EPA Protocol Standard Mixture, Size 150 High Pressure Aluminum, CGA 660 Washer

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18PPM Nitric Oxide, 18PPM Carbon Monoxide, Balance Nitrogen EPA Protocol Standard Mixture, Size 150 High Pressure Aluminum, CGA 660 Washer

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Airgas Part #:E03NI99E15A0707

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Airgas® Model ASN245E350 Brass Analytic Series Two Stage High Purity Pressure Regulator With 1/4" FNPT Connection And Encapsulated Filter Seat Assembly

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Airgas® Model ASN245E350 Brass Analytic Series Two Stage High Purity Pressure Regulator With 1/4" FNPT Connection And Encapsulated Filter Seat Assembly

Airgas® Model ASN245E350 Brass Analytic Series Two Stage High Purity Pressure Regulator With 1/4" FNPT Connection And Encapsulated Filter Seat Assembly

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Airgas Part #:Y12ASN245E350-AG

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Ultra Zero Grade Air, Size 80 High Pressure Aluminum Cylinder, CGA 590 Ultra Zero Grade Air, Size 80 High Pressure Aluminum Cylinder, CGA 590

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Ultra Zero Grade Air, Size 80 High Pressure Aluminum Cylinder, CGA 590

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Airgas Part #:AI UZ80ALDAR

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20% Oxygen, Balance Argon Certified Reference Material, Size 200 High Pressure Steel Cylinder, CGA 590

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20% Oxygen, Balance Argon Certified Reference Material, Size 200 High Pressure Steel Cylinder, CGA 590

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20% Oxygen, Balance Argon Certified Reference Material, Size 200 High Pressure Steel Cylinder, CGA 590

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Airgas Part #:X02AR80C2002678

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Airgas® 1 Cylinder Brass Manifold Protocol Station With 3000 PSI Maximum Rated Inlet Pressure CGA-590

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Airgas® 1 Cylinder Brass Manifold Protocol Station With 3000 PSI Maximum Rated Inlet Pressure CGA-590

Airgas® 1 Cylinder Brass Manifold Protocol Station With 3000 PSI Maximum Rated Inlet Pressure CGA-590

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Airgas Part #:Y151MBH590-AG

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5% Oxygen, Balance Nitrogen Certified Reference Material, Size 200 High Pressure Steel Cylinder, CGA 580

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5% Oxygen, Balance Nitrogen Certified Reference Material, Size 200 High Pressure Steel Cylinder, CGA 580

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5% Oxygen, Balance Nitrogen Certified Reference Material, Size 200 High Pressure Steel Cylinder, CGA 580

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Airgas Part #:X02NI95C2003186

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Chromatographic Nitrogen, Size 300 High Pressure Steel Cylinder, CGA 580 Chromatographic Nitrogen, Size 300 High Pressure Steel Cylinder, CGA 580

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Chromatographic Nitrogen, Size 300 High Pressure Steel Cylinder, CGA 580

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Airgas Part #:NI CH300

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Balloon Grade Helium, Size 60 High Pressure Steel Cylinder, CGA 580 Balloon Grade Helium, Size 60 High Pressure Steel Cylinder, CGA 580

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Balloon Grade Helium, Size 60 High Pressure Steel Cylinder, CGA 580

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Airgas Part #:HE BL60

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2% Oxygen, Balance Nitrogen Certified Reference Material, Size 150 High Pressure Aluminum, CGA 580

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2% Oxygen, Balance Nitrogen Certified Reference Material, Size 150 High Pressure Aluminum, CGA 580 2% Oxygen, Balance Nitrogen Certified Reference Material, Size 150 High Pressure Aluminum, CGA 580

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2% Oxygen, Balance Nitrogen Certified Reference Material, Size 150 High Pressure Aluminum, CGA 580

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Airgas Part #:X02NI98C15A0614

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5% Hydrogen, 10% Carbon Dioxide, Balance Nitrogen Certified Reference Material, Size 300 High Pressure Steel Cylinder, CGA 350

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5% Hydrogen, 10% Carbon Dioxide, Balance Nitrogen Certified Reference Material, Size 300 High Pressure Steel Cylinder, CGA 350 5% Hydrogen, 10% Carbon Dioxide, Balance Nitrogen Certified Reference Material, Size 300 High Pressure Steel Cylinder, CGA 350

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5% Hydrogen, 10% Carbon Dioxide, Balance Nitrogen Certified Reference Material, Size 300 High Pressure Steel Cylinder, CGA 350

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Airgas Part #:X03NI85C3001131

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Industrial Grade Nitrogen, 230 Liter Liquid Cylinder (22 PSI) Industrial Grade Nitrogen, 230 Liter Liquid Cylinder (22 PSI)

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Industrial Grade Nitrogen, 230 Liter Liquid Cylinder (22 PSI)

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Airgas Part #:NI 230LT22SS

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50% Nitrogen, Balance Helium Industrial Grade Mix, Size 300 High Pressure Steel Cylinder, CGA 590

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50% Nitrogen, Balance Helium Industrial Grade Mix, Size 300 High Pressure Steel Cylinder, CGA 590 50% Nitrogen, Balance Helium Industrial Grade Mix, Size 300 High Pressure Steel Cylinder, CGA 590

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50% Nitrogen, Balance Helium Industrial Grade Mix, Size 300 High Pressure Steel Cylinder, CGA 590

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Airgas Part #:NI HE50300

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2% Oxygen, 8% Carbon Dioxide, Balance Argon Industrial Grade Mix, Size 125 High Pressure Steel Cylinder, CGA 580

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2% Oxygen, 8% Carbon Dioxide, Balance Argon Industrial Grade Mix, Size 125 High Pressure Steel Cylinder, CGA 580 2% Oxygen, 8% Carbon Dioxide, Balance Argon Industrial Grade Mix, Size 125 High Pressure Steel Cylinder, CGA 580

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2% Oxygen, 8% Carbon Dioxide, Balance Argon Industrial Grade Mix, Size 125 High Pressure Steel Cylinder, CGA 580

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Airgas Part #:AR CD8OX2125

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