This quality non-OEM filter replaces Honeywell filter no. FC100A1037.
This filter comes with a MERV rating of 11(MERV Rating of OEM part is 8). The higher the MERV rating, the higher the arrestance of particulate matter (or said differently, a higher MERV means more filtration).
Nominal Size: 20" x 25" x 5" (actual size: 20" x 24 5/8" x 4 1/4")