Product review (1 stars): BEWARE!  it does NOT fit some models as indicated
This item does not fit Maytag Refrigerator JFC2089HPY model which uses the UKF-800 filters..  It does not replace UKF-8001, 8001AXX, etc. I repeated a previous order I made of a Swift Green Filter SGF-M09 which did fit properly.  This item is marked SGF-M9 and is different from the SGF-M09. I do not know why the SGF model number has changed, and Swift Green Customer Service was not available for an answer.  This item is made differently on the top and will not fit the models that are stated. I have returned the defective item, and I am noticing that a number of other customers have had the same problem.  Why has it not been rectified?