Didn’t I read here elsewhere that the I3 has now been discontinued?
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Elephant's trunk = standard BCD / Wing inflation hose. Tend to be corrugated with a little mouthpiece and inflate / deflate button.
Thanks, I don't think I have ever heard that expression. Make sense now. To stretch the analogy, I guess the i3s have more of an elephant tail. lol
Also, I edited my first post. I wasn't clear enough on the failure. It was only on the dump system. I could still inflate with the i3 lever. I just couldn't deflate. I used the shoulder valve for that.
Didn’t I read here elsewhere that the I3 has now been discontinued?
Point is that any person who's never seen an i3 wouldn't know where things are and if it's "urgent" help (e.g. if the person with the i3's in trouble) then it makes rendering assistance much harder and could mean the rescuer, in extremis, might let go and send you straight to the surface if they can't dump it in time. Hurtling to the surface out of control really isn't a good thing. Rule one of rescue: don't put yourself in danger.
The i3 is not covered in any rescuers course. Nor are Sidemount, rebreathers, etc etc.