Product review (4 stars): Lasts almost a year for 2 people drinking lots of water
What I love about this filter best is that it comes in 2 days with free shipping with Amazon Prime!  I don't have to go to the store to figure out which one to buy and wonder if they have it in stock.  The filter works just as well as the one that came with the fridge.  There is a noticeable difference in speed of water flow when it's first replaced - much faster with a clean filter.  Do run about 3 16oz glasses of water through after installation before you start drinking (or making ice) to get the carbon dust out.  Once the water runs clear, it's good to go!