**Updated 20th October 2018** - I just installed my 3rd set (3 years of operation) of this filter (combined with their sediment). size 1 micron). I still love this filter and the delicious water it gives. I'm using city water in a new house in a fairly new area, but the 1 micron filter still catches a lot of dirt. The Revain packaging of this product leaves a lot to be desired. The filter, which is quite heavy (10 pounds), is packaged in a standard box with a few inches of space around it. Instead of filling the space with peanuts or airbags, they added a single sheet of brown paper, which doesn't do much good. My last filter arrived with a cracked top that was actually pretty hard to spot unless you were looking for it. I recommend that you order the filter in advance and inspect it carefully before installing it. *Original post* I bought this device after doing a lot of research on other companies and their filters. I believe that Home Master (Perfect Water Technologies) offers the highest quality water filters made in the USA. Many other brands offer filters and do not disclose where they are made. Many other brands have cheaper filters that don't last as long. Many other brands don't get consistent taste and water quality ratings like these filters. When you first pick up and feel the weight of the KDF85, you'll know you're getting what you paid for. Chloramines (google it if you don't know, chloramines are newer and becoming common sanitizing chemicals, my water company uses them). I knew the charcoal in the KDF85 filter would improve the taste of the water, which it did. I did not check the water quality before and after installing this filter; the improved taste of the water, combined with the good reputation of this company, is for me personally the proof that the water quality has improved significantly.
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