Tier1 Replacement for Honeywell 20x25x5 Merv 13 FC100A1037 Air Clean Filter 2 Pack Honeywell air cleaner models F100F1038, F150E1034, F200E1037, F25F1026 and F35F1024 Cost-effective alternative to the expensive OEM filter Actual Size: 20 inches (length) x 24 3/4 inches (width) x 4 3/8 inches (thickness) Made in the USA Replacement for Honeywell FC100A1037 & FC200E1037