Originally Posted by Newt
The permaseals are nice but dont work on Milwaukee regulators as they do not have a standard CGA320 fitting.
I commented on this in another thread - but I'm not sure what the problem is with the ma957.
here is one, quite old and beat up - but permaseals do work fine. Whats wrong with this seal?
Cylinders last as long as they ever did (10# ~1yr on 20G aquarium)
and tank changes are a lot more convenient.
nut extended / nut retracted / regulator to permaseal (click for larger image)