Mark O Shoreline , WA October 11, 2015 Appliance: Maytag Refrigerator MFI2568AEB12 Maytag Refrigerator Mfi2568aeb12: Rail mulln between the doors was broken. How to replace Refrigerator Water Filter. Ordered new mulln. Inspected install of mulln on door, removed on small lag screw and slid old mulln off door. Unplugged mulln and removed. Reversed these steps, and new mlln is in place, work as per factory new. 1 People found this story helpful Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes