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Gas Monitors & Sensors

BW Technologies by Honeywell Honeywell BW™ Solo Portable Ammonia Detector

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BW Technologies by Honeywell Honeywell BW™ Solo Portable Ammonia Detector

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BW Technologies by Honeywell Honeywell BW™ Solo Portable Ammonia Detector

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Airgas Part #:B86BWS-TC-1

MSA Valve Assembly

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MSA Valve Assembly

MSA Valve Assembly

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Airgas Part #:MSA10002083

MSA Valve Assembly

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MSA Valve Assembly

MSA Valve Assembly

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Airgas Part #:MSA10002084

MSA Air Spool Orifice FireHawk® M7

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MSA Air Spool Orifice FireHawk® M7

MSA Air Spool Orifice FireHawk® M7

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Airgas Part #:MSA10003605

MSA Ultima® X Series Hydrogen Sulfide Sensor

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MSA Ultima® X Series Hydrogen Sulfide Sensor

MSA Ultima® X Series Hydrogen Sulfide Sensor

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Airgas Part #:MSAAULTXSENS1600

RAE® Systems ToxiRAE® Pro Portable Chlorine Detector

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RAE® Systems ToxiRAE® Pro Portable Chlorine Detector

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RAE® Systems ToxiRAE® Pro Portable Chlorine Detector

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Airgas Part #:R42G02-B610-100

RAE® Systems MultiRAE™ Pumped Portable Carbon Monoxide, Oxygen, Combustible Gas And Hydrogen Sulfide Multi Gas Monitor

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RAE® Systems MultiRAE™ Pumped Portable Carbon Monoxide, Oxygen, Combustible Gas And Hydrogen Sulfide Multi Gas Monitor

RAE® Systems MultiRAE™ Pumped Portable Carbon Monoxide, Oxygen, Combustible Gas And Hydrogen Sulfide Multi Gas Monitor

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Airgas Part #:R42B3A1C112E420

RAE® Systems MiniRAE 3000 ppbRAE 3000 MiniRAE Lite UltraRAE 3000 Photoionization Sensor

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RAE® Systems MiniRAE 3000 ppbRAE 3000 MiniRAE Lite UltraRAE 3000 Photoionization Sensor

RAE® Systems MiniRAE 3000 ppbRAE 3000 MiniRAE Lite UltraRAE 3000 Photoionization Sensor

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Airgas Part #:R42023-3010-001

RAE® Systems QRAE II Oxygen Sensor

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RAE® Systems QRAE II Oxygen Sensor

RAE® Systems QRAE II Oxygen Sensor

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Airgas Part #:R42022-0300-000

RKI Instruments, Inc. GX-FORCE Portable Combustible Gas, Carbon Monoxide, Hydrogen Sulfide, And Oxygen Monitor

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RKI Instruments, Inc. GX-FORCE Portable Combustible Gas, Carbon Monoxide, Hydrogen Sulfide, And Oxygen Monitor

RKI Instruments, Inc. GX-FORCE Portable Combustible Gas, Carbon Monoxide, Hydrogen Sulfide, And Oxygen Monitor

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Airgas Part #:R5172-FA-A-A5

RKI Instruments, Inc. GX-3R PRO Portable Combustible Gas, Carbon Monoxide, Hydrogen Sulfide, And Oxygen Monitor

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RKI Instruments, Inc. GX-3R PRO Portable Combustible Gas, Carbon Monoxide, Hydrogen Sulfide, And Oxygen Monitor

RKI Instruments, Inc. GX-3R PRO Portable Combustible Gas, Carbon Monoxide, Hydrogen Sulfide, And Oxygen Monitor

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Airgas Part #:R5172-PCX-C

RKI Instruments, Inc. 04 SERIES Portable Carbon Monoxide (-Hydrogen) Monitor

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RKI Instruments, Inc. 04 SERIES Portable Carbon Monoxide (-Hydrogen) Monitor

RKI Instruments, Inc. 04 SERIES Portable Carbon Monoxide (-Hydrogen) Monitor

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Airgas Part #:R5173-0067

MSA Ultima® X Hydrogen Sulfide Sensor

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MSA Ultima® X Hydrogen Sulfide Sensor

MSA Ultima® X Hydrogen Sulfide Sensor

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Airgas Part #:MSAAULTXSENS171CC

RKI Instruments, Inc. GX-FORCE Portable Combustible Gas, Carbon Monoxide, Hydrogen Sulfide, And Oxygen Monitor

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RKI Instruments, Inc. GX-FORCE Portable Combustible Gas, Carbon Monoxide, Hydrogen Sulfide, And Oxygen Monitor

RKI Instruments, Inc. GX-FORCE Portable Combustible Gas, Carbon Monoxide, Hydrogen Sulfide, And Oxygen Monitor

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Airgas Part #:R5172-FA-A-B

Industrial Scientific Vector AM7 Portable Mutli Gas Monitor Base

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Industrial Scientific Vector AM7 Portable Mutli Gas Monitor Base

Industrial Scientific Vector AM7 Portable Mutli Gas Monitor Base

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Airgas Part #:I24AM7B-1123000

RKI Instruments, Inc. GX-FORCE Portable Combustible Gas, Carbon Monoxide, Hydrogen Sulfide, And Oxygen Monitor

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RKI Instruments, Inc. GX-FORCE Portable Combustible Gas, Carbon Monoxide, Hydrogen Sulfide, And Oxygen Monitor

RKI Instruments, Inc. GX-FORCE Portable Combustible Gas, Carbon Monoxide, Hydrogen Sulfide, And Oxygen Monitor

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Airgas Part #:R5172-FA-A-A20

RKI Instruments, Inc. GX-FORCE Portable Combustible Gas, Carbon Monoxide, Hydrogen Sulfide, And Oxygen Monitor

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RKI Instruments, Inc. GX-FORCE Portable Combustible Gas, Carbon Monoxide, Hydrogen Sulfide, And Oxygen Monitor

RKI Instruments, Inc. GX-FORCE Portable Combustible Gas, Carbon Monoxide, Hydrogen Sulfide, And Oxygen Monitor

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Airgas Part #:R5172-FA-C-A10

RKI Instruments, Inc. GX-3R Portable Combustible Gas, Carbon Monoxide, Hydrogen Sulfide, And Oxygen Monitor

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RKI Instruments, Inc. GX-3R Portable Combustible Gas, Carbon Monoxide, Hydrogen Sulfide, And Oxygen Monitor

RKI Instruments, Inc. GX-3R Portable Combustible Gas, Carbon Monoxide, Hydrogen Sulfide, And Oxygen Monitor

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Airgas Part #:R5172-RA-F

MSA Ultima® X Fixed Methane Instrument Sensor

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MSA Ultima® X Fixed Methane Instrument Sensor

MSA Ultima® X Fixed Methane Instrument Sensor

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Airgas Part #:MSAAULTXSENS5830

Industrial Scientific Vector AM7 Portable Mutli Gas Monitor Base

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Industrial Scientific Vector AM7 Portable Mutli Gas Monitor Base

Industrial Scientific Vector AM7 Portable Mutli Gas Monitor Base

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Airgas Part #:I24AM7B-1100000

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.