Product review (5 stars): Maytag UKF-8001, UKF8001AXX, UKF8001AXXT, UKF8001AXX-750, UFK8001AXX-750, Water Filter Made by Swift Green
I haven't tested the water to confirm the filter is doing what it is touted to do, but it does take the "taste" out, which makes water more pleasant to drink.