I know someone posted that Sears filters were not good, but I bought a year-end model from Sears for $69 and it works great. Not real fast, took about 24 hours to get 20 gallons. I've tested for Phosphates, copper, nitrates, and get 0. It's installed in the vanity in the half-bath and we use this water to fill our water bottles too. Tastes great.