510 31 In. X 28 In. X 4 In. MERV 11 FPR 12 Pleated Air Filter for Air Cleaner Mo
510 31 In. Slides easily and securely into patented Interlock Rail System. Air Filter Features Electrostatic,Pleated. Appliance Series Not Applicable. Air Filter Height (in) 31. Air Filter Width (in) 28.