American Standard 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.
Compatible with “American Standard 1" PerfectFit“
Thumb

14.5 X 27.5 X 1 MERV 8 14.5 X 27.5 X 1 MERV 11 14.5 X 27.5 X 1 MERV 13

Actual: 14.25x26.25x0.75"

Designed to Fit:
FLR05048

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

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

ea
Thumb

17.5 X 27 X 1 MERV 8 17.5 X 27 X 1 MERV 11 17.5 X 27 X 1 MERV 13

Actual: 17.13x26.25x0.75"

Designed to Fit:
FLR05049

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

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

ea
Thumb

21 X 27 X 1 MERV 8 21 X 27 X 1 MERV 11 21 X 27 X 1 MERV 13

Actual: 20.63x26.26x0.75"

Designed to Fit:
FLR05050

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

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

ea
Thumb

21 X 21.5 X 1 MERV 8 21 X 21.5 X 1 MERV 11 21 X 21.5 X 1 MERV 13

Actual: 20x21.13x0.75"

Designed to Fit:
FLR05045

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

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

ea
Thumb

24.5 X 27 X 1 MERV 8 24.5 X 27 X 1 MERV 11 24.5 X 27 X 1 MERV 13

Actual: 24.25x26.25x0.75"

Designed to Fit:
FLR05051

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

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

ea
Compatible with “American Standard 5" Whole House Filters“
Thumb

14.5 X 27 X 5 MERV 8 14.5 X 27 X 5 MERV 11 14.5 X 27 X 5 MERV 13

Actual: 14.2x26.2x5"

Designed to Fit:
FLR06078

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

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

ea
Thumb

17.5 X 27 X 5 MERV 8 17.5 X 27 X 5 MERV 11 17.5 X 27 X 5 MERV 13

Actual: 17.2x26.2x5"

Designed to Fit:
FLR06069

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

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

ea
Thumb

21 X 27 X 5 MERV 8 21 X 27 X 5 MERV 11 21 X 27 X 5 MERV 13

Actual: 20.7x26.2x5"

Designed to Fit:
FLR06070

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

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

ea
Thumb

21 X 21.5 X 5 MERV 8 21 X 21.5 X 5 MERV 11 21 X 21.5 X 5 MERV 13

Actual: 20.1x21.1x5"

Designed to Fit:
FLR06072

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

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

ea
Thumb

21 X 23.5 X 5 MERV 8 21 X 23.5 X 5 MERV 11 21 X 23.5 X 5 MERV 13

Actual: 20.1x23.2x5"

Designed to Fit:
FLR06073

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

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

ea
Thumb

24.5 X 27 X 5 MERV 8 24.5 X 27 X 5 MERV 11 24.5 X 27 X 5 MERV 13

Actual: 24.2x26.2x5"

Designed to Fit:
FLR06071

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

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

ea