Fits checked Oct 1, 2026 · How we check
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Honeywell Home · media air cleaner filter

Honeywell Home FC100A1003 16 x 20

16 in x 20 in MERV 10 Replacement Media Filter. Part FC100A1003. Replace every 6 to 12 months, depending on use. Fits 1 model.

Buy FC100A1003 16 x 20 on AmazonManufacturer page

Opens an Amazon search for Honeywell Home FC100A1003 16 x 20. Check the listing says FC100A1003.

Fits these models

Part numbers

Genuine part
FC100A1003
Also listed as
FC100A1003/U
How often
Replace every 6 to 12 months, depending on use
What is in it
pleated media (MERV 11 per Honeywell's F100 page, MERV 10 per Resideo's listing)
Size
16 x 20 nominal, 4 in deep cabinet

Sources

  • Which filter fits honeywellhome.com Maker's own page checked Oct 1, 2026
    F100F1620/U 16 in. x 20 in. Media Air Cleaner; Specifications: Compatible Filter FC100A1003 MERV 11, Product Length 20 in; Product Height 16 in
  • How often honeywellhome.com Maker's own page checked Oct 1, 2026
    'you only need to replace the filter every 6-12 months, depending on use'
Show all 3 sources

Which filter fits

  1. honeywellhome.com Maker's own page checked Oct 1, 2026
    F100F1620/U 16 in. x 20 in. Media Air Cleaner; Specifications: Compatible Filter FC100A1003 MERV 11, Product Length 20 in; Product Height 16 in
  2. resideo.com Maker's own page checked Oct 1, 2026
    '16 in x 20 in MERV 10 Replacement Media Filter' SKU: FC100A1003/U; 'works with Honeywell Home Whole House Electronic Air Cleaners F25, F27, F35, F100, F150 and F200'

How often

  1. honeywellhome.com Maker's own page checked Oct 1, 2026
    'you only need to replace the filter every 6-12 months, depending on use'