Well its four years old so i thought id change it,( every 5 years is reccomended i think) i was surprised to see how bad it was, as its only four years old i never really looked that close.
I stripped all the old hoses out of my bus when I got it a few months ago and the one going from the gas bottle to the cooker had 1/9/1981 stamped on it thought I had better change that for something a bit more up to date!!