Product review (5 stars): It works!
I feel like I can tell a difference in our well tap water compared to the water that comes out of the filtered refrigerator water.  My sense of smell and taste is probably about average...... but my husband has a super niffer and sense of taste and he knows if I'm being lazy and give him a glass of water from the tap over the refrigerator's filtered water.  I was in a rush the other day and just gave us both some tap water with dinner....... right away he said, "Is this tap water?  It tastes fishy."

And using filter is way easier then getting water delivery service and lifting those huge water bottles for your water cooler.