J-valve question

[james croft]

As a side note it's easier to carry a tank by a J valve than a K valve. That
s why I replace Ks with Js.

I like a J for the same reason. A lot of my older K valves have a small knob and are aggravating to carry.

 

[superstar]

As a side note it's easier to carry a tank by a J valve than a K valve. That
s why I replace Ks with Js.

A true performance up-grade