I bought this filter to replace the Sub Zero water filter 4204490. After that I had all sorts of problems with my ice maker from my Sub-Zero. Called an authorized Sub Zero technician to fix the problem and they told me that this filter was the cause of the problem. It doesn't quite fit into the case, resulting in slight water leakage, making our ice cubes a bit smaller, and causing problems with the ice maker. A technician told me that many customers have had water leaks on their floors when using these compatible filters. I replaced it with the original Sub-Zero 4204490 and had no more problems after that.
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