4543975 equivalent by Gasco Methane Calibration Gas CH4 50% Balance Nitrogen [NOT LEL] in a 58 Liter Aluminum Disposable Cylinder C-10 (58L-135N-50-DR) CH4 Calibration Gas in Nitrogen contained in a 58 Liter Aluminum Disposable Cylinder, For Use with Any and All Gas Detectors, Cylinder Connection C-10, Calibration Certificate NIST, Made in the USA
THIS IS NOT LEL FOR 50% LEL METHANE USE PART NUMBER 58L-135-2.5
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![Methane Calibration Gas CH4 50% Balance Nitrogen [NOT LEL] in a 58 Liter Aluminum Disposable Cylinder C-10 (58L-135N-50)](https://cdn1.bigcommerce.com/server4000/59olf0/products/150490/images/339704/1580749670.1280.1280__56465.1719137830.120.120.jpg?c=2)
![4543975 equivalent by Gasco Methane Calibration Gas CH4 50% Balance Nitrogen [NOT LEL] in a 58 Liter Aluminum Disposable Cylinder C-10 (58L-135N-50-DR)](https://cdn1.bigcommerce.com/server4000/59olf0/products/150491/images/339705/1580749670.1280.1280__91840.1719138543.1280.1280.jpg?c=2 "4543975 equivalent by Gasco Methane Calibration Gas CH4 50% Balance Nitrogen [NOT LEL] in a 58 Liter Aluminum Disposable Cylinder C-10 (58L-135N-50-DR)")
