Product review (5 stars): Replace your filter now!
I had waited way too long to replace my filter, the ice maker wasn't working correctly and the water flow was very slow.  I finally got on Amazon to order one and was shocked at the prices of some of them!  Then I found the Refresh filter and loved the price so I ordered it. It was very simple to install and after flushing about 2 gallons of water through the filter and getting some real gunk it was finally running clear and the ice maker is back to making plenty of ice and the water flow is so much better!