Product review (1 stars): Like another reviewer stated these are not nsf certified 53
There is a big differnce in the water taste fro the original filter. Like another reviewer stated these are not nsf certified 53. Me and my kids all tasted the difference. It tastes like its coming staight out of the tap. I had been running the original filter for more than 3 years and finally decided maybe its time to change since the water flow seemed reduced. I saw a good deal at woot.com for a three pack. Big mistake! The water from the three year old filter tasted better. My wife and kids all noticed the difference in taste. I went thru all three filters in the span of 3 months, the last filter developed a leak. Either buy the kenmore, lg, or hdx (homedepot) version of this, whichever is selling at a lower cost, they are all certified nsf 53.