Gasco 304 100 PPM CO, 50% LEL (CH4) in Air
Gasco 304 100 PPM CO, 50% LEL (CH4) 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, 17L, 34L (aluminum cylinder), 34LS (steel cylinder), 58L and 221L and refillable cylinders 44ES, 58ES, 66ES, 116ES and 650ES.
Shelf life is 5 years from date of manufacture.
Many other concentrations in addition to this are available. If you do not see what you want please take a moment to call (1-800-804-6196) or email to firstname.lastname@example.org check availability and pricing.