Hydrogen Sulfide (H₂S) 100 PPM / Carbon Monoxide (CO) 50 PPM / Methane (CH₄) 2.5% (50% LEL) / Oxygen (O₂) 12.0% / Nitrogen BAL 4-Gas Calibration Gas – 120L 1050 PSI C-10 Aluminum

120L 4-Gas Calibration Cylinder – 100 PPM H₂S with 12% Oxygen Deficiency Simulation This high-capacity 4-gas calibration blend is engineered for large confined space programs requiring elevated hydrogen sulfide verification and severe...

Hydrogen Sulfide (H₂S) 100 PPM / Carbon Monoxide (CO) 50 PPM / Methane (CH₄) 2.5% (50% LEL) / Oxygen (O₂) 12.0% / Nitrogen BAL 4-Gas Calibration Gas – 116L 1000 PSI C-10 Aluminum (Reactive)

4-Gas Calibration Gas – 116L 1000 PSI C-10 Cylinder for Confined Space Compliance This 116L reactive 4-gas calibration mixture is engineered for accuracy verification and performance testing of portable and fixed multi-gas detectors used in...

Hydrogen Sulfide (H₂S) 10 PPM / Carbon Monoxide (CO) 50 PPM / Methane (CH₄) 2.5% (50% LEL) / Oxygen (O₂) 20.9% / Nitrogen BAL 4-Gas Calibration Gas – 66L 1150 PSI C-10 Aluminum (Reactive)

66L 4-Gas Calibration Gas – 20.9% Oxygen Balance for Detector Accuracy Verification This 66 Liter reactive 4-gas calibration mixture is formulated for technicians requiring portable, field-ready calibration support with a standard atmospheric...

Hydrogen Sulfide (H₂S) 10 PPM / Carbon Monoxide (CO) 50 PPM / Methane (CH₄) 2.5% (50% LEL) / Oxygen (O₂) 20.9% / Nitrogen BAL 4-Gas Calibration Gas – 60L 1000 PSI C-10 Aluminum (Reactive)

60L 4-Gas Calibration Gas – Compact Volume for Routine Detector Maintenance Designed for routine calibration cycles and smaller fleet monitoring programs, this 60 Liter reactive 4-gas mixture supports reliable verification of toxic, combustible,...

Hydrogen Sulfide (H₂S) 10 PPM / Carbon Monoxide (CO) 50 PPM / Methane (CH₄) 2.5% (50% LEL) / Oxygen (O₂) 20.9% / Nitrogen BAL 4-Gas Calibration Gas – 44L 750 PSI C-10 Aluminum (Reactive)

44L 4-Gas Calibration Gas – Compact Cylinder for Field Technicians This 44 Liter reactive 4-gas calibration cylinder is designed for technicians who need reliable detector verification without carrying higher-volume cylinders into the field...

Hydrogen Sulfide (H₂S) 10 PPM / Carbon Monoxide (CO) 50 PPM / Methane (CH₄) 2.5% (50% LEL) / Oxygen (O₂) 20.9% / Nitrogen BAL 4-Gas Calibration Gas – 34L 500 PSI C-10 Aluminum Disposable (Reactive)

34L Disposable 4-Gas Calibration Gas – Compact 500 PSI Cylinder This 34 Liter disposable 4-gas calibration cylinder is designed for short-duration calibration cycles, field technicians, training environments, and lower-volume detector programs...

Hydrogen Sulfide (H₂S) 10 PPM / Carbon Monoxide (CO) 50 PPM / Methane (CH₄) 2.5% (50% LEL) / Oxygen (O₂) 20.9% / Nitrogen BAL 4-Gas Calibration Gas – 120L 1050 PSI C-10 Aluminum (Reactive)

120L 4-Gas Calibration Gas – High-Capacity Cylinder for Fleet Compliance Programs This 120 Liter reactive 4-gas calibration cylinder is engineered for organizations operating multiple portable gas detectors across job sites, facilities, or...

Hydrogen Sulfide (H₂S) 10 PPM / Carbon Monoxide (CO) 50 PPM / Methane (CH₄) 2.5% (50% LEL) / Oxygen (O₂) 20.9% / Nitrogen BAL 4-Gas Calibration Gas – 116L 1000 PSI C-10 Aluminum (Reactive)

116L 4-Gas Calibration Gas – 1000 PSI Reactive Cylinder for Structured Safety Programs This 116 Liter reactive 4-gas calibration cylinder supports routine verification of portable and fixed multi-gas monitors operating in regulated industrial...

Hydrogen Sulfide (H₂S) 10 PPM / Carbon Monoxide (CO) 50 PPM / Methane (CH₄) 2.5% (50% LEL) / Oxygen (O₂) 19.5% / Nitrogen BAL 4-Gas Calibration Gas – 66L 1150 PSI C-10 Aluminum (Reactive)

66L 4-Gas Calibration Gas with 19.5% Oxygen – OSHA Threshold Verification Blend This 66 Liter reactive 4-gas calibration cylinder is formulated to validate oxygen-deficiency alarms at the critical 19.5% threshold, alongside toxic and combustible...

Hydrogen Sulfide (H₂S) 10 PPM / Carbon Monoxide (CO) 50 PPM / Methane (CH₄) 2.5% (50% LEL) / Oxygen (O₂) 19.5% / Nitrogen BAL 4-Gas Calibration Gas – 60L 1000 PSI C-10 Aluminum (Reactive)

60L 4-Gas Calibration Gas – 19.5% Oxygen for Deficiency Alarm Testing This 60 Liter reactive 4-gas calibration cylinder is engineered for technicians who must verify oxygen-deficiency alarm activation at the OSHA threshold of 19.5% O₂. Gas...

Hydrogen Sulfide (H₂S) 10 PPM / Carbon Monoxide (CO) 50 PPM / Methane (CH₄) 2.5% (50% LEL) / Oxygen (O₂) 19.5% / Nitrogen BAL 4-Gas Calibration Gas – 44L 750 PSI C-10 Aluminum (Reactive)

44L 4-Gas Calibration Gas – 19.5% Oxygen for Confined Space Alarm Testing This 44 Liter reactive 4-gas calibration cylinder is designed for field technicians and contractors who must verify oxygen-deficiency alarms at 19.5% O₂, the OSHA-defined...

Hydrogen Sulfide (H₂S) 10 PPM / Carbon Monoxide (CO) 50 PPM / Methane (CH₄) 2.5% (50% LEL) / Oxygen (O₂) 19.5% / Nitrogen BAL 4-Gas Calibration Gas – 34L 500 PSI C-10 Aluminum Disposable (Reactive)

34L Disposable 4-Gas Calibration Gas – 19.5% Oxygen Deficiency Verification This 34 Liter disposable 4-gas calibration cylinder is designed for short-term projects, contractor work, and training programs requiring oxygen-deficiency alarm...