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Re: m3 Valve info

> I don't know when needle valves were first invented, but I suspect that "a
> good needle valve for $25" has been available for at least five decades. M3
> certainly sold one well before Dave's latter day conversion. This after Dave

I'm interested in hearing what's wrong with the M3 valve.  I've
been using one for a few years now, connected to the regulator
I got from Dave.   They two play perfectly together, and I get
very nice and precise control of the bubble rate.

Chuck Gadd