FFL-160M cartridge to fit Maytag, Amana UKF8001AXX and UKF9001AXXUSAGE: FFL 160M cartridge has been designed to replace both the UKF8001AXX and the UKF9001AXX (UKF9001AXX is officially discontinued, but some users still have these models installed). DESCRIPTION: These cartridges fit inside the fridge compartment, usually to the top right, and there is a housing which opens up 'like a crocodiles mouth' into which the cartridge is inserted horizontally. The FFL 160M cartridges use high grade sintered carbon blocks