ohmdiver
Contributor
All breathing gasses need to be certified, ask to see their certification. Asxk to see the most recent one.
Additionally nothing will close a shop faster than continuing to sell bad air. A reputable shop should have no problem showing you the information you request. Additionally they should take care of your equipment.
Additionally nothing will close a shop faster than continuing to sell bad air. A reputable shop should have no problem showing you the information you request. Additionally they should take care of your equipment.
