Product review (4 stars): Tasteless - the water from this filter, that is.
We had been out of the country for over two years and had leased out our house.  After we returned to our home and dispensed water from the frig., we could see particles floating in the water.  Gross!  We have a GE built-in frig., and I'm certain that the tenants had never replaced the filter during their stay.  I'm inclined to buy authentic GE filters, but they are ridiculously overpriced.  Amazon to the rescue!  I decided on this filter for its price,its ratings from other purchasers, and because it's Prime eligible.  I replaced it as soon as it arrived, flushed the system as recommended, and then examined a glass of water directly under an overhead floodlight.  No particles.  Taste test was as it should be - it tasted like nothing.  The filter comes with month stickers, so you can apply one to remind you when it was installed.  At this time I can certainly give it four stars.  It's getting its job done.  It's been in place for only a week, so I can't speak as to its longevity.  Time will tell, and I'm hopeful that it will prove itself to be a five star product.  By the way, we were in a country where you wouldn't dare to drink water straight from the faucet.  We would reverse osmosis AND gravity filter our water for drinking, so I do have a concern for the safety of drinking water from a health standpoint.  However, it seems that many people here may be overly concerned - given some of the reviews.  It's just my observation, but the water from our faucet here is far better to begin with than the water in many other parts of the world.  Until such time as we live in a perfect world, we can't expect perfection.  That expectation, alone, can make us sick.