O2 18.5%

Hydrogen Sulfide (H₂S) 10 PPM / Carbon Monoxide (CO) 50 PPM / Methane (CH₄) 2.5% (50% LEL) / Oxygen (O₂) 18.5% / Nitrogen BAL 4-Gas Calibration Gas – 116L 1000 PSI C-10 Aluminum (Reactive)

116L 4-Gas Calibration Gas – 18.5% Oxygen Deficiency Validation This 116 Liter reactive 4-gas calibration cylinder is formulated to simulate pronounced oxygen-deficient conditions at 18.5% O₂, enabling technicians to validate alarm activation...

Hydrogen Sulfide (H₂S) 10 PPM / Carbon Monoxide (CO) 50 PPM / Methane (CH₄) 2.5% (50% LEL) / Oxygen (O₂) 18.5% / Nitrogen BAL 4-Gas Calibration Gas – 120L 1050 PSI C-10 Aluminum (Reactive)

120L 4-Gas Calibration Gas – 18.5% Oxygen Deficiency Simulation for Fleet Programs This 120 Liter reactive 4-gas calibration cylinder is engineered to simulate pronounced oxygen-deficient conditions at 18.5% O₂, enabling validation of low-oxygen...

Hydrogen Sulfide (H₂S) 10 PPM / Carbon Monoxide (CO) 50 PPM / Methane (CH₄) 2.5% (50% LEL) / Oxygen (O₂) 18.5% / Nitrogen BAL 4-Gas Calibration Gas – 34L 500 PSI C-10 Aluminum Disposable (Reactive)

34L Disposable 4-Gas Calibration Gas – 18.5% Oxygen Deficiency Simulation This 34 Liter disposable reactive 4-gas calibration cylinder is designed to simulate pronounced oxygen-deficient environments at 18.5% O₂, well below OSHA’s 19.5%...

Hydrogen Sulfide (H₂S) 10 PPM / Carbon Monoxide (CO) 50 PPM / Methane (CH₄) 2.5% (50% LEL) / Oxygen (O₂) 18.5% / Nitrogen BAL 4-Gas Calibration Gas – 44L 750 PSI C-10 Aluminum (Reactive)

44L 4-Gas Calibration Gas – 18.5% Oxygen Deficiency Simulation This 44 Liter reactive 4-gas calibration cylinder is designed for technicians who require controlled oxygen-deficiency simulation at 18.5% O₂, well below OSHA’s 19.5% minimum...

Hydrogen Sulfide (H₂S) 10 PPM / Carbon Monoxide (CO) 50 PPM / Methane (CH₄) 2.5% (50% LEL) / Oxygen (O₂) 18.5% / Nitrogen BAL 4-Gas Calibration Gas – 60L 1000 PSI C-10 Aluminum (Reactive)

60L 4-Gas Calibration Gas – 18.5% Oxygen Deficiency Verification This 60 Liter reactive 4-gas calibration cylinder is engineered to simulate oxygen-deficient conditions at 18.5% O₂, enabling technicians to validate low-oxygen alarm activation...

Hydrogen Sulfide (H₂S) 10 PPM / Carbon Monoxide (CO) 50 PPM / Methane (CH₄) 2.5% (50% LEL) / Oxygen (O₂) 18.5% / Nitrogen BAL 4-Gas Calibration Gas – 66L 1150 PSI C-10 Aluminum (Reactive)

66L 4-Gas Calibration Gas – 18.5% Oxygen Deficiency Simulation Blend This 66 Liter reactive 4-gas calibration cylinder is formulated to simulate oxygen-deficient environments at 18.5% O₂, creating a clear low-oxygen condition for alarm...