It's an Outcast, but what is it???

[flygoddess]

That is exactly like the bladders I had. I personally liked the valves. Small out of the way and no chance of getting dirt in them or accidentally opening them . I say this as I have had all the valves out there on different boats.
But just me I guess.
I always thought of Urethane as the same as Fluorocarbon, it takes a very long, long time to disintegrate.

Plus the old saying, if it ain't broke.......
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