Product review (5 stars): Good product
The price is great and it fits well.  Like any charcoal filter, you should fill and empty the water before using ( this manufacture recommends 3 gallons or 5 to 6 minutes filling and emptying the water). While this procedure may be a negative for some.  It was a plus for me, I located a water line leak from the ice box by this procedure and repair it.  I used a 5/16" union after cutting out the leaking area to reconnect the line.  My ice box is about 8 years old so the line being plastic was brittle. I am purchasing a 5/16" and a 1/4" plastic line and union in case it leaks again.