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Placing a TFM-18 water filter membrane into the casing

I have a 5- stage Reverse Osmosis system and am concerned about the large filter, which is the membrane. I have the membrane to place into the casing but am not sure which end goes in first. Can you help me with this issue?
Thanks,
Rich A.

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The end with the two small black "O" rings will slide in first.

Posted on Dec 04, 2008

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