Installed filters to replace my Culligan AC-30 reverse osmosis system. While others claim it doesn't work or fit, mine didn't. Installation was fairly easy, although you can definitely tell they aren't quite the same as those sold and installed by Culligan. Be sure to press the filters firmly to engage the cartridges. The filters have worked well so far and I haven't had any leaks. The aquatic taste felt a little "plasticky" at first, but it probably needed to be washed off a bit more before I started drinking from the system. I think after a week the water tasted just as good as it came out of my real Culligan filters. For the price I can buy 4 sets of these filters for what Culligan charged for my last replacement.
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