4-Gas, 74L-409, AL, Calibration Gas, 50 PPM Carbon Monoxide, 0.9 % Isobutane (50 % LEL), 25 PPM Hydrogen Sulfide, 12% Oxygen, Balance Nitrogen in a 74 Liter Cylinder C-10 Connection

Product Description

GASCO Calibration Gas 74-409BU-M 50 PPM Carbon Monoxide, 0.9 % Isobutane (50 % LEL), 25 PPM Hydrogen Sulfide, 12% Oxygen, Balance Nitrogen Contained in a 74L Liter Disposable Aluminum Cylinder, For Use with Any and All Gas Detectors, Cylinder Connection C-10, Calibration Certificate NIST, Made in the USA

Calibration Gas / All Gas Mixtures 

Since Calibration Gas / Bump Gas, and all gas mixtures are considered Hazardous Material due to the fact it is in compressed gas cylinders all Calibration Gas / Compressed Gas mixtures are not returnable or refundable and all sales are considered final. Cal Gas Direct Incorporated and GASCO Affiliates LLC are also unable to provide a call tag for any carrier pick up as well.

All Calibration Gas blends are considered final: no returns, credits, or refunds on custom orders/blends.

No Rental Charges or Deposit Fees

Our Gas Cylinders are lightweight Disposable Calibration Gas Cylinders, and are disposable once completely empty. We charge no Rental charges or Deposit Fees.

Certificates of Analysis [COA] and Safety Data Sheet will be sent by the same shipping.

To download Safety Data Sheet (SDS)

Locate SDS number [Typically found on the calibration gas cylinder], Click HERE to go SDS find page, write SDS number and search.

889 Forms are available upon request

Click Here to go Safety Data Sheets