Originally Posted by fantastix
Tetrafluoroethane used to be easy to find, but due to kids huffing it was replaced with difluoroethane. I still have access to a couple brands of tetra, which is good because difluoroethane and mag seals don't play well together.
The point is moot though. Almost everything runs on propane now.
yup. I still have access to Tetrafluoroethane at work and can order more but we have started to carry difluoroethane as well.