Nordic Pure 20x20x4/20x20x5 (4 3/8 Actual Depth) Honeywell FC100A1011 Replacement MERV 10 Pleated AC Furnace Air Filters, Box of 2 Actual Size: 19 5/8 x 19 7/8 x 4 3/8 Replacement filter for Honeywell FC100A1011, FC200E1019,Filtrete DP02DC, 3M UPC 051111024447, 3M UPC 5111102444, Fits Honeywell 16x25 Media Air Cleaners F25, F35, F100, F150, F200 Measure the actual inside depth of your filter rack to ensure proper fit; Honeywell Replacement filters have a depth of 4 3/8 Inch Hypoallergenic, antimicrobial, and electrostatic filter material Made in the USA