It makes you think twice about buying after market parts. How many cheap and cheerful things have we all I’m sure bought and found them totally useless and or dangerous.

You do not often hear about bottles and or cylinders going tits up which is reassuring but and it is a big but these thing going wrong can quite literally kill some one.

Nothing is perfect and things do go wrong. It’s good to see that these cylinders are tested it ticks a box.