Thread: RO\DI unit
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Unread 01/08/2022, 08:15 PM   #1
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Join Date: Oct 2008
Location: Canada
Posts: 35
RO\DI unit

Hi all!

I have this RO/DI unit i purchased a while back and wanted to get some refill cartridges for it. However im not sure what the 3rd canister is that came with the unit. Can anyone tell from looking at it what it might be so I can order it? TIA

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