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Hi, I have purchased a used RO/DI unit. After doing some tds test I've realised I need new filters. I'm having an issue finding RO membranes the correct size. The original ro membrane is a hidrotek 200g which when looking on website it's a 2812-200 but when I run a tape on it its saying 3inch...
Hi, I've purchased a second hand RO/DI system and after some tds readings I've figured I need new filters. I have an issue with finding a RO Membrane to fit. There is no info on the original filter other than the brand name and '200g' so after googling I found out it's 2812 although when I run a...