Honeywell 20x25x4 Furnace Filters, Filter Replacement, Merv 11 (5 Pack)
Quality Filter. Cleaner Air. For an efficient air filter replacement, you can rely on the FC100 media filter. Honeywell FC100A1037 20x25x4 Replacement Filter, Minimum Efficiency Reporting Value (MERV) 11High efficiency media filter captures particles as small as 0.3 micronRequires no maintenance except replacement every 6-12 monthsCompatibility – Fits all 20x25x4 Honeywell & Aprilaire Space-Gard 2200 models