I had persistent difficulties with a very slight leak at the regulator. I "think" I have finally chased it down after working with it for 3 months. Frustrating.I do like the filtering system but, with its tendency to leak, I've been disappointed. It really seemed like it was well made; the fit and finish is top-notch. Unfortunately, it tends to allow air to flow outside the system and that kinda defeats the whole purpose. Can't recommend it.
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