Trane 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 “Trane 1" PerfectFit Filters“
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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:
BAYFTFR14

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

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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:
BAYFTFR17

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

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Thumb

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

Actual: 20.63x26.25x0.75"

Designed to Fit:
BAYFTFR21

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

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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:
BAYFTAH21

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

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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:
BAYFTFR24

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

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Compatible with “Trane 5" Whole House PerfectFit Filters“
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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:
BAYFTFR14M

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

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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:
BAYFTFR17M

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

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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:
BAYFTAH21M

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

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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:
BAYFTFR21M

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

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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:
BAYFTAH23M

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

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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:
BAYFTFR24M

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

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