FC100A1037 Honeywell 20-inch x 25-inch Media Air Filter Replacement
Honeywell 20x25x4 AC Furnace Air Filter, FC100A1037 Filter Replacement, Merv 11 Filter Media with Homequip Disposal Bag 2-Pack (Actual Size: 19.94 x 24.86 x 4.38 Inches) - Air Purifiers - Amazon.com
21.5x27.5x5 MERV 11 Honeywell Air Filters - $47.00/ea.
Honeywell 20x20x4 Air Filter Replacement - FC100A1011 HVAC Furnace Filters with Merv 11 Filter Media, AC Filter with Homequip Disposal Bag 2-Pack (Actual Size: 19.94 x 19.75 x 4.38 Inches) - Amazon.com
Replacement For Honeywell 20x25x4 Merv 11 Furnace/AC Air Filter Compatible With FC100A1037 - 8 Pack - Walmart.com
Honeywell FC100A1037 MERV 11 Replacement Filter (20 x 25 x 4")
20x25x4 Air Filter MERV 11 Glasfloss Replacement for Honeywell - Box of 5