I have purchased four of these filters in the past because two of them are used in a tap water system with three filters and a particulate filter as the first filter. This filter has completely cleaned my water. I had lots of orange rust/iron stains in the tub, sink, appliances, etc. and a sulfur smell. We have a deep well and many minerals in it. The water is now odorless and tasteless and all stains are gone. This is in our river cabin which we use and also rent out. We've only had rave reviews of how good the water is from tenants. I also find that the water softens when you shower. Not cheap as I would have liked less, but they seem to last six months with no problems, which is better than using a water softener that, given our water condition, is ruined in two years.
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