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Gas Monitors & Sensors

MSA ALTAIR® 4XR Portable Combustible Gas, Oxygen, Carbon Monoxide, and Hydrogen Sulfide Multi Gas Monitor (Glow-in-the-Dark Case)

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MSA ALTAIR® 4XR Portable Combustible Gas, Oxygen, Carbon Monoxide, and Hydrogen Sulfide Multi Gas Monitor (Glow-in-the-Dark Case)

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MSA ALTAIR® 4XR Portable Combustible Gas, Oxygen, Carbon Monoxide, and Hydrogen Sulfide Multi Gas Monitor (Glow-in-the-Dark Case)

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Airgas Part #:MSA10178571

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MSA Replacement Altair® 5X/XCell® Chlorine Sensor

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MSA Replacement Altair® 5X/XCell® Chlorine Sensor

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MSA Replacement Altair® 5X/XCell® Chlorine Sensor

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Airgas Part #:MSA10106728

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MSA ALTAIR® Portable Carbon Monoxide Monitor

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MSA ALTAIR® Portable Carbon Monoxide Monitor

MSA ALTAIR® Portable Carbon Monoxide Monitor

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Airgas Part #:MSA10092522

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Industrial Scientific Ventis® MX4 Portable Carbon Monoxide, Combustible Gases, Hydrogen Sulfide And Oxygen Multi Gas Monitor

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Industrial Scientific Ventis® MX4 Portable Carbon Monoxide, Combustible Gases, Hydrogen Sulfide And Oxygen Multi Gas Monitor

Industrial Scientific Ventis® MX4 Portable Carbon Monoxide, Combustible Gases, Hydrogen Sulfide And Oxygen Multi Gas Monitor

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Airgas Part #:I24VTS-K1231301101

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Macurco™ Gas Detection CM-6 Fixed Carbon Monoxide Detector

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Macurco™ Gas Detection CM-6 Fixed Carbon Monoxide Detector

Macurco™ Gas Detection CM-6 Fixed Carbon Monoxide Detector

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Airgas Part #:AR070-0715-6500-9

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MSA ALTAIR® 2XT Portable Carbon Monoxide Monitor

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MSA ALTAIR® 2XT Portable Carbon Monoxide Monitor

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MSA ALTAIR® 2XT Portable Carbon Monoxide Monitor

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Airgas Part #:MSA10153986

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BW Technologies by Honeywell BW™ Ultra Portable Oxygen, Combustible Gas, Hydrogen Sulfide, Ammonia And Carbon Monoxide Gas Monitor

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BW Technologies by Honeywell BW™ Ultra Portable Oxygen, Combustible Gas, Hydrogen Sulfide, Ammonia And Carbon Monoxide Gas Monitor

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BW Technologies by Honeywell BW™ Ultra Portable Oxygen, Combustible Gas, Hydrogen Sulfide, Ammonia And Carbon Monoxide Gas Monitor

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Airgas Part #:B86HUX1W1H1M1A1BN

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BW Technologies by Honeywell GasAlertMax XT II Portable Combustible Gas And Oxygen Gas Monitor

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BW Technologies by Honeywell GasAlertMax XT II Portable Combustible Gas And Oxygen Gas Monitor

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BW Technologies by Honeywell GasAlertMax XT II Portable Combustible Gas And Oxygen Gas Monitor

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Airgas Part #:B86XTXW00YNA

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Industrial Scientific Replacement Ventis® Pro5 Carbon Monoxide Sensor

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Industrial Scientific Replacement Ventis® Pro5 Carbon Monoxide Sensor

Industrial Scientific Replacement Ventis® Pro5 Carbon Monoxide Sensor

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Airgas Part #:I2417155306-1

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BW Technologies by Honeywell GasAlertMicro 5 Portable Combustible Gas, Hydrogen Sulfide, Oxygen, Sulfur Dioxide And Carbon Monoxide Detector

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BW Technologies by Honeywell GasAlertMicro 5 Portable Combustible Gas, Hydrogen Sulfide, Oxygen, Sulfur Dioxide And Carbon Monoxide Detector

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BW Technologies by Honeywell GasAlertMicro 5 Portable Combustible Gas, Hydrogen Sulfide, Oxygen, Sulfur Dioxide And Carbon Monoxide Detector

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Airgas Part #:B86M5XWSYRDDYN0

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MSA Replacement XCell® Carbon Monoxide And Hydrogen Sulfide Sensor With Low Concentration Detection

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MSA Replacement XCell® Carbon Monoxide And Hydrogen Sulfide Sensor With Low Concentration Detection

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MSA Replacement XCell® Carbon Monoxide And Hydrogen Sulfide Sensor With Low Concentration Detection

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Airgas Part #:MSA10121213

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MSA ALTAIR® 4X Portable Methane, Oxygen, Carbon Monoxide And Nitrogen Dioxide Multi Gas Monitor

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MSA ALTAIR® 4X Portable Methane, Oxygen, Carbon Monoxide And Nitrogen Dioxide Multi Gas Monitor

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MSA ALTAIR® 4X Portable Methane, Oxygen, Carbon Monoxide And Nitrogen Dioxide Multi Gas Monitor

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Airgas Part #:MSA10125914

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Industrial Scientific GasBadge® Pro Portable Carbon Monoxide Monitor

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Industrial Scientific GasBadge® Pro Portable Carbon Monoxide Monitor

Industrial Scientific GasBadge® Pro Portable Carbon Monoxide Monitor

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Airgas Part #:I2418100060-1

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BW Technologies by Honeywell BW™ Clip4 Portable Hydrogen Sulfide, Combustible Gas, Oxygen And Carbon Monoxide Gas Monitor

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BW Technologies by Honeywell BW™ Clip4 Portable Hydrogen Sulfide, Combustible Gas, Oxygen And Carbon Monoxide Gas Monitor

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BW Technologies by Honeywell BW™ Clip4 Portable Hydrogen Sulfide, Combustible Gas, Oxygen And Carbon Monoxide Gas Monitor

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Airgas Part #:B86BWC4BN

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Industrial Scientific Replacement MX6 iBrid® Ammonia Sensor

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Industrial Scientific Replacement MX6 iBrid® Ammonia Sensor

Industrial Scientific Replacement MX6 iBrid® Ammonia Sensor

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Airgas Part #:I2417124975-6

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Industrial Scientific Replacement MX6 iBrid® Carbon Monoxide Sensor

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Industrial Scientific Replacement MX6 iBrid® Carbon Monoxide Sensor

Industrial Scientific Replacement MX6 iBrid® Carbon Monoxide Sensor

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Airgas Part #:I2417124975-G

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BW Technologies by Honeywell GasAlertMax XT II Portable Combustible Gas, Carbon Monoxide, Oxygen And Hydrogen Sulfide Detector

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BW Technologies by Honeywell GasAlertMax XT II Portable Combustible Gas, Carbon Monoxide, Oxygen And Hydrogen Sulfide Detector

BW Technologies by Honeywell GasAlertMax XT II Portable Combustible Gas, Carbon Monoxide, Oxygen And Hydrogen Sulfide Detector

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Airgas Part #:B86XTXUHMYNA

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Industrial Scientific Ventis® MX4 Portable Carbon Monoxide, Combustible Gases, Hydrogen Sulfide And Oxygen Multi Gas Monitor

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Industrial Scientific Ventis® MX4 Portable Carbon Monoxide, Combustible Gases, Hydrogen Sulfide And Oxygen Multi Gas Monitor

Industrial Scientific Ventis® MX4 Portable Carbon Monoxide, Combustible Gases, Hydrogen Sulfide And Oxygen Multi Gas Monitor

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Airgas Part #:I24VTS-K1230-CPO

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BW Technologies by Honeywell BW™ Icon+ Portable Carbon Monoxide, Hydrogen Sulfide, Combustible Gas And Oxygen Detector

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BW Technologies by Honeywell BW™ Icon+ Portable Carbon Monoxide, Hydrogen Sulfide, Combustible Gas And Oxygen Detector

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BW Technologies by Honeywell BW™ Icon+ Portable Carbon Monoxide, Hydrogen Sulfide, Combustible Gas And Oxygen Detector

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Airgas Part #:B86CPIW5X1H1M1Y00

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Industrial Scientific Ventis® MX4 Portable Carbon Monoxide, Combustible Gases, Hydrogen Sulfide And Oxygen Multi Gas Monitor

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Industrial Scientific Ventis® MX4 Portable Carbon Monoxide, Combustible Gases, Hydrogen Sulfide And Oxygen Multi Gas Monitor

Industrial Scientific Ventis® MX4 Portable Carbon Monoxide, Combustible Gases, Hydrogen Sulfide And Oxygen Multi Gas Monitor

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Airgas Part #:I24VTS-K1232110101

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Identify Toxic Gas Leaks Fast

Easy-to-use single and multiple gas monitors and sensors at Airgas can keep you, the plant, and people who live nearby from becoming a victim of dangerous leaks and exposures. These invaluable life-saving devices come in a variety of convenient portable and clip-on formats from MSA, BW, Industrial Scientific, Honeywell, and other manufacturers. Not only can they help keep workers safe, but they can also keep the site in compliance.


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.