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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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HE C62

Industrial Grade Helium, 6 Pack Size 200 High Pressure Steel Cradle, CGA 580

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Are you currently located in California?

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.

Industrial Grade Helium, 6 Pack Size 200 High Pressure Steel Cradle, CGA 580

Industrial Grade Helium, 6 Pack Size 200 High Pressure Steel Cradle, CGA 580

0.3PPM Nitrous Oxide, 2PPM Methane, 400PPM, Carbon Dioxide, Balance Air Certified Reference Material, Size 150 High Pressure Aluminum Cylinder, CGA 590

0.3PPM Nitrous Oxide, 2PPM Methane, 400PPM, Carbon Dioxide, Balance Air Certified Reference Material, Size 150 High Pressure Aluminum Cylinder, CGA 590

50PPM Carbon Monoxide, 50PPM Nitirc Oxide, Balance Nitrogen EPA Protocol Standard Mixture, Size 150 High Pressure Aluminum Cylinder, CGA 660

50PPM Carbon Monoxide, 50PPM Nitirc Oxide, Balance Nitrogen EPA Protocol Standard Mixture, Size 150 High Pressure Aluminum Cylinder, CGA 660

9% Carbon Dioxide, 10% Oxygen, Balance Nitrogen EPA Protocol Standard Mixture, Size 150 High Pressure Aluminum, CGA 590

9% Carbon Dioxide, 10% Oxygen, Balance Nitrogen EPA Protocol Standard Mixture, Size 150 High Pressure Aluminum, CGA 590

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

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

2700PPM Carbon Monoxide, 22.5% Oxygen, Balance Nitrogen EPA Protocol Standard Mixture, Size 150 High Pressure Aluminum Cylinder, CGA 590

2700PPM Carbon Monoxide, 22.5% Oxygen, Balance Nitrogen EPA Protocol Standard Mixture, Size 150 High Pressure Aluminum Cylinder, CGA 590

5% Hydrogen Sulfide, Balance Nitrogen Certified Reference Material, Size 150 High Pressure Aluminum Cylinder, CGA 330

5% Hydrogen Sulfide, Balance Nitrogen Certified Reference Material, Size 150 High Pressure Aluminum Cylinder, CGA 330

6PPM Nitirc Oxide, Balance Nitrogen EPA Protocol Standard Mixture, Size 150 High Pressure Aluminum Cylinder, CGA 660

6PPM Nitirc Oxide, Balance Nitrogen EPA Protocol Standard Mixture, Size 150 High Pressure Aluminum Cylinder, CGA 660

180PPM Nitirc Oxide, 1700PPM Carbon Monoxide, Balance Nitrogen EPA Protocol Standard Mixture, Size 150 High Pressure Aluminum Cylinder, CGA 660

180PPM Nitirc Oxide, 1700PPM Carbon Monoxide, Balance Nitrogen EPA Protocol Standard Mixture, Size 150 High Pressure Aluminum Cylinder, CGA 660

7% Hydrogen, 10% Carbon Dioxide, Balance Nitrogen Certified Reference Material, Size 300 High Pressure Steel Cylinder, CGA 350

7% Hydrogen, 10% Carbon Dioxide, Balance Nitrogen Certified Reference Material, Size 300 High Pressure Steel Cylinder, CGA 350

90PPM Nitirc Oxide, 18% Carbon Dioxide, Balance Nitrogen EPA Protocol Standard Mixture, Size 150 High Pressure Aluminum Cylinder, CGA 660

90PPM Nitirc Oxide, 18% Carbon Dioxide, Balance Nitrogen EPA Protocol Standard Mixture, Size 150 High Pressure Aluminum Cylinder, CGA 660

40% Hydrogen, Balance Nitrogen Certified Reference Material, Size 300 High Pressure Steel Cylinder, CGA 350

40% Hydrogen, Balance Nitrogen Certified Reference Material, Size 300 High Pressure Steel Cylinder, CGA 350

7.5PPM Carbon Monoxide, 9PPM Nitirc Oxide, Balance Nitrogen EPA Protocol Standard Mixture, Size 150 High Pressure Aluminum Cylinder, CGA 660

7.5PPM Carbon Monoxide, 9PPM Nitirc Oxide, Balance Nitrogen EPA Protocol Standard Mixture, Size 150 High Pressure Aluminum Cylinder, CGA 660

Research Grade Ethane, Size 80 High Pressure Cylinder, CGA 350

Research Grade Ethane, Size 80 High Pressure Cylinder, CGA 350

18PPM Carbon Monoxide, 45PPM Nitirc Oxide, Balance Nitrogen EPA Protocol Standard Mixture, Size 150 High Pressure Aluminum Cylinder, CGA 660

18PPM Carbon Monoxide, 45PPM Nitirc Oxide, Balance Nitrogen EPA Protocol Standard Mixture, Size 150 High Pressure Aluminum Cylinder, CGA 660

9PPM Carbon Monoxide, Balance Nitrogen EPA Protocol Standard Mixture, Size 150 High Pressure Aluminum Cylinder, CGA 350

9PPM Carbon Monoxide, Balance Nitrogen EPA Protocol Standard Mixture, Size 150 High Pressure Aluminum Cylinder, CGA 350

95PPM Nitric Oxide, 180PPM Carbon Monoxide, 4.5% Carbon Dioxide, Balance Nitrogen EPA Protocol Standard Mixture, Size 150 High Pressure Aluminum, CGA 660 Washer

95PPM Nitric Oxide, 180PPM Carbon Monoxide, 4.5% Carbon Dioxide, Balance Nitrogen EPA Protocol Standard Mixture, Size 150 High Pressure Aluminum, CGA 660 Washer

Semiconductor Grade Helium, Size 300 High Pressure Steel Cylinder, CGA 718

Semiconductor Grade Helium, Size 300 High Pressure Steel Cylinder, CGA 718

Airgas® Model ASC445D350 Stainless Steel Analytic Series Two Stage Pressure Regulator With 1/4" FNPT Connection

Airgas® Model ASC445D350 Stainless Steel Analytic Series Two Stage Pressure Regulator With 1/4" FNPT Connection

2.9% Hydrogen, Balance Argon Primary Standard Grade, Size 300 High Pressure Steel Cylinder, CGA 350

2.9% Hydrogen, Balance Argon Primary Standard Grade, Size 300 High Pressure Steel Cylinder, CGA 350