On their own, those small filters aren't really doing much. A while back, I took a couple of the Coltri style ones (actually the blue ones from Undersea UK) put them in series, with a moisture eyeball and a PMV on the outlet, and a check-valve and bleed screw on the inlet, and used this with a small 100l/min compressor. It was a little bit of peace of mind, as i was basically tripling the standard filtration, and also having the benefit of a PMV and Moisture eyeball. Was it super clean air? I don't know. I'd like to put one together again and have it tested. it was only for slow filling off a small compressor as there really isn't that much media in there.
Portable inline filter for oxygen clean air
- Thread starter divezonescuba
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remember activated charcoal doesn't do well with pure o2
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