Ethylene Oxide (EtO)

Cylinder Type
Current Stock:




Ethylene Oxide is available in 5 PPM-50 PPM concentrations in Nitrogen in A34L and A58L cylinders. For higher Ethylene Oxide concentrations, MESA offers a complete line of refillable cylinder with enhanced safety and delivery features.


Don't forget your Regulator


Be sure to order the appropriate regulator for your application. Below are several of our most popular regulators for use with portable cylinders.  For reactive gas mixtures in aluminum cylinders, you must use stainless steel regulators.


Series 500 Regulator


Series 500 Fixed Flow Regulator
Aluminum Cylinders (CGA C-10)

Series 600 Multi-Flow Regulator
Aluminum Cylinders (CGA C-10)

Series 800 DFR

Series 800 Demand Flow Regulator
Aluminum Cylinders (CGA C-10)
550L (CGA varies with gas)

Series 100 Small Body Regulator
Aluminum Cylinders (CGA C-10)



Please contact us by phone or e-mail if you need any assitance with your regulators selection.