This replacement filter for Honeywell FC100A1037 has a MERV 11 efficiency rating. This allows the filter to capture unwanted indoor air contaminants like pollen, pet dander, dust and more.
Fits / replaces the following:
Nominal size: 20x25x5 (Actual size: 19-3/4x24-5/8x4-1/4")
The Magnet logo on this page signifies that this product is a factory direct replacement to the OEM branded filter.