Honeywell Compatible Air Filter Replacements

Filterbuy replacement air filters offer the same high quality materials and performance as the name brand but at a fraction of the cost.

  • Available in MERV 8, 11, and 13
  • Free shipping
  • Guaranteed to fit
  • Lowest prices
  • Made in the U.S.A.
  • Family owned and operated

Customer Review

"Absolutely the best and most efficient way to purchase furnace filters! No problem finding the filter I needed, filters delivered within a couple of days, fit perfectly and shipping is FREE! What's not to like?"-Christine P.
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20x25x5 MERV 8 20x25x5 MERV 11 20x25x5 MERV 13

Actual: 19.88x24.75x4.38

Designed to Fit:
203720 FC35A1027 FC100A1037 FC200E1037

Select MERV Rating
MERV
8
Standard
MERV
11
Superior
MERV
13
Best

MERV 8 (FPR 5) - filters pollen, dust mites, mold, and larger dust particles like pudding mix MERV 11 (FPR 7) - filters pollen, dust mites, mold, auto emissions, and large particles like milled flour MERV 13 (FPR 10) - filters pollen, dust mites, mold, all bacteria, proplet nuclei (sneeze), and tobacco smoke

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21.5X27.5X5 MERV 8 21.5X27.5X5 MERV 11 21.5X27.5X5 MERV 13

Actual: 21 1/4 X 27 1/4 X 4 3/8

Designed to Fit:
FC100A1045

Select MERV Rating
MERV
8
Standard
MERV
11
Superior
MERV
13
Best

MERV 8 (FPR 5) - filters pollen, dust mites, mold, and larger dust particles like pudding mix MERV 11 (FPR 7) - filters pollen, dust mites, mold, auto emissions, and large particles like milled flour MERV 13 (FPR 10) - filters pollen, dust mites, mold, all bacteria, proplet nuclei (sneeze), and tobacco smoke

ea
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20X20X5 MERV 8 20X20X5 MERV 11 20X20X5 MERV 13

Actual: 19 3/4 X 19 7/8 X 4 3/8

Designed to Fit:
203721 FC35A1019 FC100A1011 FC200E1011

Select MERV Rating
MERV
8
Standard
MERV
11
Superior
MERV
13
Best

MERV 8 (FPR 5) - filters pollen, dust mites, mold, and larger dust particles like pudding mix MERV 11 (FPR 7) - filters pollen, dust mites, mold, auto emissions, and large particles like milled flour MERV 13 (FPR 10) - filters pollen, dust mites, mold, all bacteria, proplet nuclei (sneeze), and tobacco smoke

ea
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16X25X5 MERV 8 16X25X5 MERV 11 16X25X5 MERV 13

Actual: 15 7/8 X 24 3/4 X 4 3/8

Designed to Fit:
203719 FC35A1001 FC100A1026 FC100A1029 FC100C1009 FC200E1011 FC200E1029

Select MERV Rating
MERV
8
Standard
MERV
11
Superior
MERV
13
Best

MERV 8 (FPR 5) - filters pollen, dust mites, mold, and larger dust particles like pudding mix MERV 11 (FPR 7) - filters pollen, dust mites, mold, auto emissions, and large particles like milled flour MERV 13 (FPR 10) - filters pollen, dust mites, mold, all bacteria, proplet nuclei (sneeze), and tobacco smoke

ea
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16x20x5 MERV 8 16x20x5 MERV 11 16x20x5 MERV 13

Actual: 15 7/8 X 19 3/4 X 4 3/8

Designed to Fit:
209894 FC35A1035 FC100A1003 FC200E1003

Select MERV Rating
MERV
8
Standard
MERV
11
Superior
MERV
13
Best

MERV 8 (FPR 5) - filters pollen, dust mites, mold, and larger dust particles like pudding mix MERV 11 (FPR 7) - filters pollen, dust mites, mold, auto emissions, and large particles like milled flour MERV 13 (FPR 10) - filters pollen, dust mites, mold, all bacteria, proplet nuclei (sneeze), and tobacco smoke

ea
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12.5X20X5 MERV 8 12.5X20X5 MERV 11 12.5X20X5 MERV 13

Actual: 12 3/8 X 19 7/8 X 4 3/8

Designed to Fit:
203722 FC100A1052

Select MERV Rating
MERV
8
Standard
MERV
11
Superior
MERV
13
Best

MERV 8 (FPR 5) - filters pollen, dust mites, mold, and larger dust particles like pudding mix MERV 11 (FPR 7) - filters pollen, dust mites, mold, auto emissions, and large particles like milled flour MERV 13 (FPR 10) - filters pollen, dust mites, mold, all bacteria, proplet nuclei (sneeze), and tobacco smoke

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