what is the gate valve for? I would get the true union gate valve so if you need to it apart for cleaning you have that opition. but they can get expensive thou around 30-40 dollars.
i like using the second one thou that you have there
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180 starfire front, LPS, millipora
Doesn't matter how much you have been reading until you take the plunge.
You don't know as much as you think.
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