Product review (4 stars): Good performance specifications if you have concerns about water used to make ice
Good performance specs but overpriced in my opinion. Fits our refrigerator ice maker/water chiller and wants to be changed more often than really needed.  We live in California so you have to prove you really do a good job with lead, and it does. So some parts of the country may benefit more than others. Also good for removal of a lot of organics so depending on how bad your water is (if you live downstream, expect upstream has been using your water for unspeakable things).