412 Gasco 4-Gas Mix 50 PPM CO, 50% LEL, 25 PPM H2S, in Air
412 Gasco 4-Gas Mix 50 PPM CO, 50% LEL, 25 PPM H2S, in Air is commonly used for calibration and response testing (bump testing) of hazardous gas monitors and laboratory instruments. It is available in disposable single use cylinders 10L, 34L, 44L, 58L, 66L and 116L and refillable cylinders 44ES, 58ES, 66ES, 116ES, 650ES and 900ES.
Shelf life is 1 year from date of manufacture.
Many other concentrations are available. If you do not see what you want please take a moment to call (1-800-804-6196) or email to email@example.com check availability and pricing.